WOLFBOX G840S 12″ 4K Mirror Dash Cam 2160P Full HD Smart Rear View Camera Mirror Dash Cam


  • Full HD 2160P Resolution front and rearmirror camera
  • 170° front and 140° rear lens
  • 12″ IPS full touch screen and Enhances night vision
  • Parking Monitor Mode & Reversing Assistance
  • 32 GB SD Card Included
  • SKU: B0811Q28N6
SKU: G840S Categories: , Tag:


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!



12 inch Wide Mirror Dash Cam

Upgraded from most rear view mirror camera, WOLFBOX G840S mirror cam provides an ultra-wide view with 12 inch wide mirror, minimizing the blind spots for safe driving/reversing. With the smart screen split function, you can observe a dual-lens display simultaneously. With a 2.5D curved screen, the body is more smooth and more suitable for the curvature of the human retina. Its OEM looking makes the mirror camera perfectly integrate with the existing mirror.


High Clarity & Enhanced Night Vision

With a built-in high-quality chip, the WOLFBOX G840S records front and rear with a high resolution of full HD 2160P. When the front camera records only it can up to 1296P. The car camera applied an upgraded low-reflectivity LCD to reduce reflection during the day. A 6-layer glass lens enhances night vision in a dark environment. License plates and other small wordings can be displayed clearly.




Upgraded Backup Camera

Backup camera shows a rear view of the car by displaying high resolution streaming image in the rear-view mirror. We also add the "Upside down of rear view" and "Rear Cam Mirror Image" menus to adjust the rear image vertically or horizontally. So it can install on pick-up trucks, RVs, or even on the top roof more conveniently.


New Upgrade, TYPE-C Power Supply

To make the use process more stable, the WOLFBOX G840S camera mirror dash cam has been fully upgraded from Mini-USB to a Type-C socket, which can largely avoid restarting, high-temperature deformation, and so on.


*Warm Tips:

  1. The front camera support 4k/2.5k/1080P, and rear camera support 1080P , when the front and rear camera is recording simultaneously, it will be fixed on 1080P.
  2. Please check the functionality of dash cam with its all accessories before installation.
  3. Please don’t splice rear camera wire for extension, the monitor may lose the rear image. The length of original cable for rear camera is 20 feet, suitable for most types of cars. We also have 33 feet rear camera extension cables
  4. When using the parking monitoring function, please select the time-lapse recording mode. Otherwise, the driving recorder will quickly drain your car battery.
  5. Please format micro SD card termly in case of locked videos occupied much capacity, release them necessarily.
  6. Please use original accessories provided in the package, 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.
  7. If you use use micro SD card capacity > 32GB, Please change micro SD card〔Class10 ( 10MB / sec ) required〕 format to FAT 32 on PC ( a 32GB card is included in the package ).
  8. If your car does not have a reversing system, you need to connect the Red cable of the rear cam to the positive pole of your reversing lamp. If your car already has a reversing system, you just ignore the red cable on the rear cam.

Accessories Included in the Package

Accessory Function
G840S Hardwire KitFor dash cam or other device powered by Type-C port, 5V/2A steady output, voltage input supports from 12V-24V. Compatible with almost all dash cam brands in the market.Directly to the battery for constant 24hrs/7days power to protect against theft when your car is in the parking lot.Directly to the ignition wire for power only so it can turn on and off with the ignition and you don’t have to worry about plugging in the charger, or turning the dashcam on, or any such stuff. Low voltage protection-It has a smart low voltage protection system that will automatically shut off the power to your dash cam when the battery
33Feet Rear Camera Extension Cord CableThe original rear camera cable for G840S / T10 / T10 Plus / D07 is 20 feet, this is a 33feet replacement longer cable
WOLFBOX G840S 12″ 4K Mirror Dash Cam 2160P Full HD Smart Rear View Camera Mirror Dash Cam

Customer Reviews

Based on 179 reviews
Best Mirror Dash Camera that I have used

This camera is great! It has GPS, a 32gb card to get you started and the quality is really good. In front camera mode it can be a higher 1296p vs 1080p when used with the rear camera. Both cameras offer a great picture and even at night it is pretty good. Very easy to install and a lot of fun to use!

Dash Cam in action

It looks like I made a good purchase. Couple months in and boom someone hits my parked car. It's a nice feeling knowing that you have a dash cam. 100% recommend.

Love it!!!!

Love it!!!! Heres my solution for single or ex cab cab guys.


My girlfriend recently brought this as a gift after seeing me eyeing it for a while, its perfect records hd, comes with sd card, i hardwired it with their kit so it protects me even with car off, doesn’t drain my battery car starts right up. This is a definite good investment.

Excellent quality

The image quality is great, everything looks super clear. The camera angle is easy to adjust, you only need to swipe up or down on the screen. You can also change the amount of light by swiping left and right. It start recording immediately when it senses any movement or object that may potentially damage your car, for example someone that parked next to you and slammed their car door on your car while you were gone. The reverse feature also comes in handy when you are parking and getting out of the parking space. When you’re on the screensaver mode, it acts just like a regular mirror. The temperature it can handle is also very high, so whether you’re up in the snowy mountains or in the hot desert, this would still be able to handle the crazy temperatures. Also, it has night vision so it can capture all the action when it’s dark outside. It only takes a minute to install. The instructions are clear and easy to read. I recommend getting this because you never know what can happen to your car while you’re gone.

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