G840H | 12“ 2.5K Smart Rear View Mirror Camera, with 32GB SD Card

(85 customer reviews)

$99.99$165.99

  • 2.5k Full HD Resolution, front 2.5k and rear 1080P
  • Powerful QVBR encoding technology
  • F/1.55 & F/1.8 large aperture, supports multi-level 3D denoising
  • Real Sony Stavis sensor with the IP68 waterproof level
  • 12″ IPS full touch screen
  • Seamless Loop Recording & G-sensor emergency videos lock
  • Parking Monitor Mode & Reversing Assistance
  • 32 GB SD Card Included
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SKU: G840H Categories: ,
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NOTE:

If you buy the 'like new', this product is almost brand new.
If you buy the 'good', the appearance of this product is slightly flawed, but it will never affect your normal use!

Main Features of G840H:

  • High-performance storage, using mainstream Class10 memory cards without missing seconds, frame loss, and fragmentation;
  • 12 inch ultra-large high-definition display, the front and rear pictures are displayed super clear;
  • Ultra-high transmittance optical glass mirror and capacitive multi-touch;
  • Brand new and unique humanized GUI interactive design.

WDR Technology

The G840H mirror dash cam supports extreme light collection technology, in wide dynamic scenes such as entering and exiting tunnels, night car lights, etc., making the image bright and dark details perform better.

Enhanced Night Vision

The G840H rear view mirror camera uses the industry-leading Sony sensor IMX415, with excellent low-light performance, captures crisp clear night time video footage in low-light condition which clearly shows car plates number, road signs, etc.

Loop Recording

Loop recording allows continuous recording. When the memory card is full, it will automatically overwrite the previously recorded videos and pictures. You can set 1 minute / 3 minutes / 5 minutes of different segment time loop recording.

G-Sensor & Emergency Recording

The rear view mirror dash cam support manual trigger or automatic emergency recording with built-in G-Sensor. It will lock the footage when it detect collision.Or you can double-click the screen to record and lock the video urgently when you think you need to keep an evidence.

Reversing Assistance

When your car is put into reverse, the 12” full touch screen will display the rear view with parking guidelines to help you park safely.

Parking Monitor and Time Lapse Recording

The mirror car camera supports 24 hours parking monitor.

*Warm Tips:
  • Please format micro SD card termly in case of locked videos occupied much capacity, release them necessarily;
  • Please check the functionality of dash cam with its all accessories before installation, if issues exist, please let us know;
  • Please use original accessories provided by us, just in case of compatible issues after using others', especially use 2 or 3 in 1 cigar socket will lead to 100% insufficient current supply;
  • Please change micro SD card〔Class10(10MB/sec) required〕 format to FAT 32 on PC if use micro SD card capacity > 32GB; ( a 32GB card is included)

Additional information

Weight 0.9 kg
Dimensions 34 × 10 × 7.5 cm
Condition

new, like new, good

85 reviews for G840H | 12“ 2.5K Smart Rear View Mirror Camera, with 32GB SD Card

4.6
Based on 83 reviews
Showing 22 of 83 reviews (4 star). See all 83 reviews
  1. D. Brown

    Bought this to use for traveling with our trailer. Easy to install. My truck has a Leer cap on the box, so the rear camera was mounted above the cap door. I bought the 33′ extension cable and it worked with 4′ extra. Picture from either camera is crisp and easy to use. Currently powered by the cable for the standard power plug but will be installing the optional power cable to use the parking mode. Wish there had been an option to substitute the longer cable, as the short one is no use to me for this application.

  2. Robert Cwiklik

    Nice product overall. The only major flaw is that you cannot invert the image displayed. So just make sure you position the rear view camera correctly and check the feed BEFORE you mount it. This will save you some time and a headache.

  3. Mark

    The night vision is not so good. All lights flare really bad and its basically impossible to know what kind of car is behind you at night. Which was literally the purpose for me buying this since I have dark tint. Also I didn’t realize how outdated SD cards are. 3 desktops and 2 laptops in my house and none of them support SD cards. Well I might have to return it because I suppose nothing is actually recording until its formatted?

  4. JP

    The display is very crisp and bright, and the resulting front and rear camera footage is excellent.I was disappointed to find that there was no way to display GPS coordinates on-screen (nor are they stamped on the footage). There is GPS data in the .MP4 files, but no good way to display path or speed on a PC map. (If anyone is aware of a compatible dash cam movie/GPS map viewer, please let me know).There is also no provision for any “surveillance mode” (i.e., recording while parked), so FYI.One significant issue that I had was that the included USB cigarette lighter adapter that shipped with the dash cam became very (very!) hot after about ten minutes of use, causing the dash cam to reboot continuously until unplugged and cooled. If you’re going to buy this dash cam, BE SURE TO ALSO BUY AN APPROPRIATE HARDWIRE KIT!Other gripes:There’s no real manufacturer support site (nor web site, period), and the included documentation is very limited. I’d like to ensure that I have the latest firmware, but have no idea what the most current version is, or how to update the dash cam (although I’m sure it involves booting with the updated firmware installer on the micro SD card).Would I buy it again? Umm…maybe.

  5. Roland Lepine

    Awesome camera quality. Back up lines unadjustable and deceiving.

  6. Naomi

    Overall happy with the product. It is easy to install with little mechanical skills. I do like that you have a front and rear dash cam as well as a reverse camera. The display quality in the mirror itself is pretty good as well. There a few things that I would like to see updated on the newer versions of this system.1. An anti glare screen on the mirror display.2. A more sleek/smaller reverse camera housing.3. A more zoomed out reverse camera so you can see more behind you when reversing.4. A more stiff/sturdy (maybe even locking) adjustable rear camera mount. I find that the rear cam needs to be readjusted every once in a while since the angle is only held in place by 2 very small screws. (I used locktight on mine to hold them in place but they still move a little bit.)I would highly recommend getting the hardwiring kit for parking monitoring. I was sent the wrong fuse with mine so I had to go out and by my own fuse taps to make it work.

  7. Naomi

    Overall happy with the product. It is easy to install with little mechanical skills. I do like that you have a front and rear dash cam as well as a reverse camera. The display quality in the mirror itself is pretty good as well. There a few things that I would like to see updated on the newer versions of this system.1. An anti glare screen on the mirror display.2. A more sleek/smaller reverse camera housing.3. A more zoomed out reverse camera so you can see more behind you when reversing.4. A more stiff/sturdy (maybe even locking) adjustable rear camera mount. I find that the rear cam needs to be readjusted every once in a while since the angle is only held in place by 2 very small screws. (I used locktight on mine to hold them in place but they still move a little bit.)I would highly recommend getting the hardwiring kit for parking monitoring. I was sent the wrong fuse with mine so I had to go out and by my own fuse taps to make it work.

  8. Giuseppe S

    Looks great, customer of mines get impressed from realizing it’s a back up camera not a rear view mirror. Audio works well for the interior. Love that you can move the camera from up high to down low and an easy switch from rear to front from a swipe of the finger to the side. Only thing I’d prefer if my truck was able to have it set up on all night and have a big enough storage for memory.

  9. Ben heyne

    It is a nice product.

  10. Amazon Customer

    Having a camera at the front and rear is great but this dash cam mirror does have it’s drawbacks.. First, the installation is easy enough but unless you plan on hard wiring it, it’s a pain to plug in and un plug constantly. Second, the rear camera quality is .. ok , but nothing compared to my (and most peoples) actual vision so I am very aware I am watching a screen and not a reflection. Although the stream is live, the fps is not as fluid as I would like. Finally, the view you get is from a viewpoint very foreign so it takes some getting used to.. All and all, It has alot of potential but has a ways to go before I would trust it with my life.

  11. Murray Irwin

    Personnel use worked fine

  12. Wonder Woman “Julie”

    I really like this mirror cam, great quality and back camera is nice. I have had the camera shut off a couple of times while riding and not come on one time when starting the car. Easy to operate once you get the hang of replay.

  13. Norbert Juhasz

    Cars behind you are 3 times closer than they look.

  14. JR

    Great video quality and build quality. I love the rearview cameras form figure. It looks a lot more sleaker than most rear view cameras that come with other dashcam mirrors and in general rearview cameras…HOWEVER…I’m confused…This new model is missing things that the old one had that was super useful.No more speed read out both on the mirror or on recorded files. Same goes with the GPS coordinates. That pretty much makes the gps feature useless…yes it tells you what direction your traveling but honestly that’s not very useful. The thing is, when you pop into the gps menu that information is being collected. So this is simply a UX decision they made to not actually display.Also, the user interface on the older model I find more intuitive as far as when you want to filter and view your videos.Another little missing feature in the new model that the old one had. you could actually specify your preferred flicker rate. This model doesn’t have that.Shoot, this sound more like a review for the old model vs the new…But again, the new model’s camera is definitely NOTICEABLY better…if you don’t care for the stuff I mentioned thats missing, definitely get this.I will be returning it for a different brand, but that’s more so because of the features I mentioned that are gone.

  15. JR

    Great video quality and build quality. I love the rearview cameras form figure. It looks a lot more sleaker than most rear view cameras that come with other dashcam mirrors and in general rearview cameras…HOWEVER…I’m confused…This new model is missing things that the old one had that was super useful.No more speed read out both on the mirror or on recorded files. Same goes with the GPS coordinates. That pretty much makes the gps feature useless…yes it tells you what direction your traveling but honestly that’s not very useful. The thing is, when you pop into the gps menu that information is being collected. So this is simply a UX decision they made to not actually display.Also, the user interface on the older model I find more intuitive as far as when you want to filter and view your videos.Another little missing feature in the new model that the old one had. you could actually specify your preferred flicker rate. This model doesn’t have that.Shoot, this sound more like a review for the old model vs the new…But again, the new model’s camera is definitely NOTICEABLY better…if you don’t care for the stuff I mentioned thats missing, definitely get this.I will be returning it for a different brand, but that’s more so because of the features I mentioned that are gone.

  16. Spencer Simmons

    Overall this a very decent product as this is my third one. So far this is the best out of the three brands. My only issue is when the night vision kicks in the picture gets very grainy. During the day or when there is plenty of light at night, both cameras are very clear and picture is sharp. Low light conditions not so much

  17. Hart

    This camera system is a lot more money than most but there is a lot to like about it and includes some things that are missing or there’s a cost to add on the additional items with other similar camera systems. For instance, most of the newer more advanced cameras are capable of tying in a GPS antenna but it’s not included whereas this kit comes with it.There are two main things to consider with this kind of camera system, mounting and video quality.First off mounting:Since this is designed to fit over top of the existing rear-view mirror it can be a little tricky to install. On a GM truck for instance where the mirror includes GM’s OnStar system the mirror is deeper and makes the silicone straps used here really stretch in order attach the camera. Then there’s a bit of fiddling and aligning that’s needed as dontchaknowit, the resident mirror isn’t completely flat. In all, it took about 10 minutes to get this set up properly. On v3ehicles where the mirror is just that, a mirror, like our KIA this was very quick and easy to install since the mirror is nowhere near as deep as the GM’s._ As the lens is on one end it needs to be placed so that it isn’t covered by the cars mirror. It also swivels to accommodate the angle at which the rearview mirror is sitting so that the driver can properly see what’s going on behind them. It takes a little playing to get this set just right as well but keep in mind that if the vehicle is being driven by two people that are significantly different height-wise and each will adjust the mirror it will have a slight effect on the lens angle and what gets recorded.Running the power, GPS antenna, and rearview camera cables can be a little tricky as well if the end result is going to look good. For me it meant slightly popping off some interior flashing, sliding the cable behind it, and securing everything again without catching any of the cables.The GPS antenna works best when mounted on an exterior surface but this can be tricky and include a lot more work than I wanted to get into. I was able to place it under the dash so the right side was facing up and had it located so there was no metal above it. We install a lot of GPS tracking devices this way so I knew it would work fine and it has been accurate for several weeks now. One thing to note, if you do this don’t place anything metal on the dash (think an aluminum clipboard for instance) or even a Doritos chip bag as the shiny interior is metal that blocks GPS and radio signals.The camera cable was the most difficult to run. It needed to be placed under the carpeting, run around various protrusions from seat and such, and then tucked behind panels. Once it was run into the truck area it was simple enough to hide it behind the liner but we did have to drill a hole large enough to pass the cables connector through it and then seal it up with a grommet and silicone. Once in place and fastened with screws it will stay in place._ There is one thing to consider when placing the rear camera on the bumper or license plate holder, any spray from rain or snow will collect on it and then at times make it almost useless._ If the rearview camera is placed inside so it faces out the back window it will stay clean but when snow, slush, or dust covers the back window this will affect how well it can work._ There is no perfect place for a rearview camera.Video performance:Both the front-facing and rearview cameras offer great imagery. The front-facing is the best I’ve seen so far the rear is equal to what the more expensive versions use for front-facing._ Nighttime viewing is excellent._ The frame rate is fast enough to keep recorded video looking smooth when playing back.Since the camera will work with TF cards up to 128GB it can store a fair bit of recording but keep in mind that at 1440 it uses more memory for the same amount of drive time than cameras with only 1080P resolution.Others:What I really like here is the operating system used. Most dash cams use a common system and it’s desperately lacking. Here the proprietary system is much easier to set up and navigate through. There are a lot of options so it took a couple of minutes to get set up the way I wanted it.The mirror portion of the camera is also very nice, it’s clear and doesn’t distort at all. When viewing the camera(s) on it everything is clear.Being able to see where I am via the GPS screen is ok but really of little use in day to day life. Where the GPS information comes in handy is when something happens out on a highway where there are no street signs and the video may be needed to provide evidence.

  18. Hart

    This camera system is a lot more money than most but there is a lot to like about it and includes some things that are missing or there’s a cost to add on the additional items with other similar camera systems. For instance, most of the newer more advanced cameras are capable of tying in a GPS antenna but it’s not included whereas this kit comes with it.There are two main things to consider with this kind of camera system, mounting and video quality.First off mounting:Since this is designed to fit over top of the existing rear-view mirror it can be a little tricky to install. On a GM truck for instance where the mirror includes GM’s OnStar system the mirror is deeper and makes the silicone straps used here really stretch in order attach the camera. Then there’s a bit of fiddling and aligning that’s needed as dontchaknowit, the resident mirror isn’t completely flat. In all, it took about 10 minutes to get this set up properly. On v3ehicles where the mirror is just that, a mirror, like our KIA this was very quick and easy to install since the mirror is nowhere near as deep as the GM’s._ As the lens is on one end it needs to be placed so that it isn’t covered by the cars mirror. It also swivels to accommodate the angle at which the rearview mirror is sitting so that the driver can properly see what’s going on behind them. It takes a little playing to get this set just right as well but keep in mind that if the vehicle is being driven by two people that are significantly different height-wise and each will adjust the mirror it will have a slight effect on the lens angle and what gets recorded.Running the power, GPS antenna, and rearview camera cables can be a little tricky as well if the end result is going to look good. For me it meant slightly popping off some interior flashing, sliding the cable behind it, and securing everything again without catching any of the cables.The GPS antenna works best when mounted on an exterior surface but this can be tricky and include a lot more work than I wanted to get into. I was able to place it under the dash so the right side was facing up and had it located so there was no metal above it. We install a lot of GPS tracking devices this way so I knew it would work fine and it has been accurate for several weeks now. One thing to note, if you do this don’t place anything metal on the dash (think an aluminum clipboard for instance) or even a Doritos chip bag as the shiny interior is metal that blocks GPS and radio signals.The camera cable was the most difficult to run. It needed to be placed under the carpeting, run around various protrusions from seat and such, and then tucked behind panels. Once it was run into the truck area it was simple enough to hide it behind the liner but we did have to drill a hole large enough to pass the cables connector through it and then seal it up with a grommet and silicone. Once in place and fastened with screws it will stay in place._ There is one thing to consider when placing the rear camera on the bumper or license plate holder, any spray from rain or snow will collect on it and then at times make it almost useless._ If the rearview camera is placed inside so it faces out the back window it will stay clean but when snow, slush, or dust covers the back window this will affect how well it can work._ There is no perfect place for a rearview camera.Video performance:Both the front-facing and rearview cameras offer great imagery. The front-facing is the best I’ve seen so far the rear is equal to what the more expensive versions use for front-facing._ Nighttime viewing is excellent._ The frame rate is fast enough to keep recorded video looking smooth when playing back.Since the camera will work with TF cards up to 128GB it can store a fair bit of recording but keep in mind that at 1440 it uses more memory for the same amount of drive time than cameras with only 1080P resolution.Others:What I really like here is the operating system used. Most dash cams use a common system and it’s desperately lacking. Here the proprietary system is much easier to set up and navigate through. There are a lot of options so it took a couple of minutes to get set up the way I wanted it.The mirror portion of the camera is also very nice, it’s clear and doesn’t distort at all. When viewing the camera(s) on it everything is clear.Being able to see where I am via the GPS screen is ok but really of little use in day to day life. Where the GPS information comes in handy is when something happens out on a highway where there are no street signs and the video may be needed to provide evidence.

  19. SuperE

    It’s my opinion that everyone should have a dash cam. Not only for insurance purposes but also for personal and community safety (i.e. as a “digital witness” to road crimes and accidents).Dash cams come in a variety of styles, including dash-mounted, windshield-mounted, external, and mirror-mounted. This particular kit from Wolfbox includes both a mirror-mounted front camera and a rear camera that can be mounted inside or outside of your vehicle.Included in the kit are various mounting hardware and double-sided tape for mounting. You also get a high-speed 32gb microSD card (nice bonus!), a GPS unit (this is optional and you don’t have to use it), a USB car adapter, instruction manual, and mounting straps for the mirror.All of the included cables are long enough to use with just about any personal vehicle, especially for the rear camera. On a side note, the rear camera can also be hooked up into your reverse lights, so when a reverse signal is detected, the back-up camera mode with a distance guide will be activated automatically. This is an optional step, but it’s a great feature to have and it’s not difficult to do.The mirror camera mounts over your rear-view mirror, and the included straps make it pretty universal. The mirror’s reflection is tinted, similar to your standard rear-view mirror when you’ve switched to the night-driving configuration. I don’t personally love a dimmed mirror during the day, but it does reflect enough to be useful on its own (i.e. without the camera screen).With the exception of the screen on/off button, all your controls are on-screen through taps and swipes. The interface is intuitive, however, you can’t enter the settings screen without stopping the recording, which isn’t a huge problem, but it starts recording every time it’s in the main screen so it gets annoying.The settings screen offers some basic settings like audio recording on/off, g-force sensor sensitivity, etc. While there is an option to select the resolution of each camera, it defaults to the native resolution of each camera (2.5k or 1080p) without any option to change it. Not really a big deal, since these should be kept at their highest resolution, but then why not just remove the option?The GPS info screen is really cool and it shows your GPS signal quality.The unit has an option to stay on as a parking camera, but it requires an optional hardwire kit which is not included in this bundle.While you do have the option to “auto on” or “auto off” the screen, the auto off function works on a delay, so you will ALWAYS see the camera screen for a short while before it turns off. This is actually problematic as it should be OFF all the time with this setting enabled as I’ve found myself several times struggling to see clearly what’s behind me as the screen + mirror reflection combined = very poor visibility. And this is probably where the main weakness of this unit lies. The screen, even at full brightness, is not easy to see in bright daylight and the dimmed mirror means you get a poor view of what’s behind you.The recorded video and audio quality from the front camera are excellent. Even when pausing to see the license plates of vehicles heading towards me, the image is clear and very easy to read. The rear camera, while it does shoot at 1080p resolution, is a poor-quality 1080p. Just for comparison sake, my typical dashcam records at 1080p and the quality looks much closer to the 2.5K front camera of this system and puts the rear camera quality to shame. That said, the rear and front cameras are nice and wide and they do capture everything you’d need in the event that video evidence is required.Both day and night time recordings are good. I wouldn’t say that the HDR on the front camera is spectacular (i.e. clouds will be blown completely white in many cases), but it does an excellent job with everything at car level, which is most important.Playback is a little clumsy. On other mirror dashcams with both front and rear recording, you can often see both the front and rear recordings simultaneously, which is extremely useful. This system, unfortunately, saves the front and rear recordings separately and in two different folders, so viewing them needs to be done separately.Viewing from the microSD card to a PC or mobile phone is straightforward and I had no compatibility issues with either. You can lock videos from the dashcam screen, which will put it into a separate folder that will not be deleted or overwritten by the camera.Overall, I think this is a really good dash cam system. It offers a very good front camera and acceptable rear camera performance, with a recorded format that is easy to access. It’s a shame that the driving experience is a little clumsy due to the below-average mirror performance and poor screen visibility during the day. I do appreciate how easy the install was and how useful this system can be overall.

  20. John P.

     The G840 H model has a much better night mode video Front / Back, and changing the reverse lines is easier over the G840S that I also own. However, there are some tradeoffs on the G840H coming from the G840S which there shouldn’t be.For example:UPDATE ***FOR FIRMWARE DEC .28, 2020 (Kudos to Wolfbox for continuing to improve the camera features and functions through firmware updates 🙂 1) S version has split screen view / H model does not.*** 2) H version NOW HAS a real-time speedometer in the bottom left screen corner ( you can also select to have a Power Icon or Car with active camera view icon instead.*** 3) H version NOW HAS GPS coordinates stamped on the video when played back on PC . Would be best to have the GPS coordinates displayed on main screen in case of emergency.***4) H version NOW HAS the option to flip the rear camera image 180 degrees if you need to mount the rear cam on the bumper.There are some improvements on the H model over the S version. For example:1) The video is much clearer on the H model ** especially at night, because of the higher resolution camera over the S version.2) To change camera view on H model from Front-Back, you just swipe L-R or R-L / S version requires 2 button taps.3) Changing brightness on H model does not require an initial tap to bring up the slider /S version does.4) The H model has a better, simpler direction indicator.*** If they add the GPS coordinates readout back to the screen, It’d be a home run.In conclusion:I’ll stick with the better video/camera on the new H model. I AM NOW only disappointed in the missing split/screen option and lack of GPS coordinates displayed on main screen. *** This must be said about Wolfbox: I have communicated extensively with them over the past few months and every time they have been helpful, courteous, and prompt in their replies. They are hands down the best company I have done business with. Ever. A 4_3/4 Star product from a 5 Star company. 🙂

  21. SuperE

    It’s my opinion that everyone should have a dash cam. Not only for insurance purposes but also for personal and community safety (i.e. as a “digital witness” to road crimes and accidents).Dash cams come in a variety of styles, including dash-mounted, windshield-mounted, external, and mirror-mounted. This particular kit from Wolfbox includes both a mirror-mounted front camera and a rear camera that can be mounted inside or outside of your vehicle.Included in the kit are various mounting hardware and double-sided tape for mounting. You also get a high-speed 32gb microSD card (nice bonus!), a GPS unit (this is optional and you don’t have to use it), a USB car adapter, instruction manual, and mounting straps for the mirror.All of the included cables are long enough to use with just about any personal vehicle, especially for the rear camera. On a side note, the rear camera can also be hooked up into your reverse lights, so when a reverse signal is detected, the back-up camera mode with a distance guide will be activated automatically. This is an optional step, but it’s a great feature to have and it’s not difficult to do.The mirror camera mounts over your rear-view mirror, and the included straps make it pretty universal. The mirror’s reflection is tinted, similar to your standard rear-view mirror when you’ve switched to the night-driving configuration. I don’t personally love a dimmed mirror during the day, but it does reflect enough to be useful on its own (i.e. without the camera screen).With the exception of the screen on/off button, all your controls are on-screen through taps and swipes. The interface is intuitive, however, you can’t enter the settings screen without stopping the recording, which isn’t a huge problem, but it starts recording every time it’s in the main screen so it gets annoying.The settings screen offers some basic settings like audio recording on/off, g-force sensor sensitivity, etc. While there is an option to select the resolution of each camera, it defaults to the native resolution of each camera (2.5k or 1080p) without any option to change it. Not really a big deal, since these should be kept at their highest resolution, but then why not just remove the option?The GPS info screen is really cool and it shows your GPS signal quality.The unit has an option to stay on as a parking camera, but it requires an optional hardwire kit which is not included in this bundle.While you do have the option to “auto on” or “auto off” the screen, the auto off function works on a delay, so you will ALWAYS see the camera screen for a short while before it turns off. This is actually problematic as it should be OFF all the time with this setting enabled as I’ve found myself several times struggling to see clearly what’s behind me as the screen + mirror reflection combined = very poor visibility. And this is probably where the main weakness of this unit lies. The screen, even at full brightness, is not easy to see in bright daylight and the dimmed mirror means you get a poor view of what’s behind you.The recorded video and audio quality from the front camera are excellent. Even when pausing to see the license plates of vehicles heading towards me, the image is clear and very easy to read. The rear camera, while it does shoot at 1080p resolution, is a poor-quality 1080p. Just for comparison sake, my typical dashcam records at 1080p and the quality looks much closer to the 2.5K front camera of this system and puts the rear camera quality to shame. That said, the rear and front cameras are nice and wide and they do capture everything you’d need in the event that video evidence is required.Both day and night time recordings are good. I wouldn’t say that the HDR on the front camera is spectacular (i.e. clouds will be blown completely white in many cases), but it does an excellent job with everything at car level, which is most important.Playback is a little clumsy. On other mirror dashcams with both front and rear recording, you can often see both the front and rear recordings simultaneously, which is extremely useful. This system, unfortunately, saves the front and rear recordings separately and in two different folders, so viewing them needs to be done separately.Viewing from the microSD card to a PC or mobile phone is straightforward and I had no compatibility issues with either. You can lock videos from the dashcam screen, which will put it into a separate folder that will not be deleted or overwritten by the camera.Overall, I think this is a really good dash cam system. It offers a very good front camera and acceptable rear camera performance, with a recorded format that is easy to access. It’s a shame that the driving experience is a little clumsy due to the below-average mirror performance and poor screen visibility during the day. I do appreciate how easy the install was and how useful this system can be overall.

  22. John P.

    The G840 H model has a much better night mode video Front / Back, and changing the reverse lines is easier over the G840S that I also own. However, there are some tradeoffs on the G840H coming from the G840S which there shouldn’t be.For example:UPDATE ***FOR FIRMWARE DEC .28, 2020 (Kudos to Wolfbox for continuing to improve the camera features and functions through firmware updates 🙂 1) S version has split screen view / H model does not.*** 2) H version NOW HAS a real-time speedometer in the bottom left screen corner ( you can also select to have a Power Icon or Car with active camera view icon instead.*** 3) H version NOW HAS GPS coordinates stamped on the video when played back on PC . Would be best to have the GPS coordinates displayed on main screen in case of emergency.***4) H version NOW HAS the option to flip the rear camera image 180 degrees if you need to mount the rear cam on the bumper.There are some improvements on the H model over the S version. For example:1) The video is much clearer on the H model ** especially at night, because of the higher resolution camera over the S version.2) To change camera view on H model from Front-Back, you just swipe L-R or R-L / S version requires 2 button taps.3) Changing brightness on H model does not require an initial tap to bring up the slider /S version does.4) The H model has a better, simpler direction indicator.*** If they add the GPS coordinates readout back to the screen, It’d be a home run.In conclusion:I’ll stick with the better video/camera on the new H model. I AM NOW only disappointed in the missing split/screen option and lack of GPS coordinates displayed on main screen. *** This must be said about Wolfbox: I have communicated extensively with them over the past few months and every time they have been helpful, courteous, and prompt in their replies. They are hands down the best company I have done business with. Ever. A 4_3/4 Star product from a 5 Star company. 🙂

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