WOLFBOX G840S Mirror Dash Cam – A Superior Driving Experience


The WOLFBOX G840S 12″ 4K Mirror Dash Cam Backup Camera is a cutting-edge product that offers a range of impressive features. With upgraded 4K UHD resolution, a larger 12″ screen, and enhanced night vision capabilities, this mirror dash cam aims to provide a superior driving experience. In this review, we will explore the product details and share our personal experience with using it.

After facing issues with my previous rear view camera, I decided to try out the WOLFBOX G840S Mirror Dash Cam. The installation process was straightforward, and the provided parts made it seamless. The rear camera, although it works well, can experience some feedback in the dark due to bright headlights and weather conditions. However, the customer service of WOLFBOX impressed me. When I reached out to inquire about a rear camera suitable for nighttime visibility, they suggested an improved option and even offered to send it to me free of charge. Their customer-forward approach and willingness to address any issues left a positive impression.

Enhanced Rear View for Safe Driving

The WOLFBOX G840S 12″ 4K Mirror Dash Cam offers an upgraded rear view experience for safer driving. With its 12-inch larger screen and wide view angle of 170° in the front and 140° in the rear, it minimizes blind spots and provides an ultra-wide view. The smart screen split function allows you to observe a dual-lens display simultaneously, enhancing your overall visibility on the road. The 2.5D curved screen design adds a touch of elegance to the mirror camera, seamlessly integrating it with your existing mirror and giving it an OEM look.

Clear Images and Enhanced Night Vision

The WOLFBOX G840S features a built-in high-quality chip that records stunning 4K front and 1080P rear videos. It utilizes an upgraded low-reflectivity LCD to reduce reflection during the day, ensuring clear images even in bright sunlight. With the help of WDR and HDR technology, as well as a starvis sensor and 6-glass lens, the mirror dash camera captures high-quality images in low light conditions, making night driving or challenging lighting situations much easier and safer.

GPS Tracking for Accurate Navigation

With the external GPS antenna plugged in, the WOLFBOX G840S provides GPS tracking all the time. You can view GPS information on the display while driving, allowing for accurate navigation. Additionally, you can playback recorded videos on the GPS Player, which enables you to check both the front and rear videos on one screen, as well as accurately trace back all the GPS metrics. This feature adds an extra layer of convenience and functionality to your driving experience.

24H Precise Parking Monitor for Added Security

In addition to loop recording for safe driving, the WOLFBOX G840S ensures your car is in safe hands even when parked. The camera offers a 24H precise parking monitor with a time-lapse mode that monitors at a very low frame rate, saving power and capacity while still capturing everything. This feature provides peace of mind, knowing that your vehicle is protected even when you’re not around.

USB C Power Supply for Stability

The G840S Mirror Dash Cam has been fully upgraded to a USB C power supply, making the use process more stable and reliable. The USB C socket largely avoids issues like restarting or high-temperature deformation. If you need a hardwire kit for continuous power supply, a dedicated USB C hardwire kit is available for purchase (Asin: B09X1L1GMX). This upgrade ensures a smooth and uninterrupted operation of the mirror camera.

More Smart Functions for Added Convenience


The WOLFBOX G840S offers a range of smart functions to enhance your driving experience. These include streaming media rearview, upside-down rear view, mirror flip of rear image, G-sensor for impact detection, loop recording for continuous recording, and adjustable display view angle for personalized viewing preferences. These additional features make the G840S a versatile and user-friendly mirror dash cam option for any driver.


  • Upgraded 4K UHD resolution for clear and detailed front and rear images.
  • 12″ larger screen with wide view angles to minimize blind spots.
  • Enhanced night vision for better visibility in low light conditions.


  • Rear camera may experience feedback in the dark with bright headlights and weather conditions.
  • GPS signal may be inconsistent and require toggling between playback and recording to activate.
  • Initial installation may require additional brackets for a more seamless and factory-like fit.


    Overall, the WOLFBOX G840S Mirror Dash Cam Backup Camera is an excellent device that offers great value for money. The installation process was easy, and the camera provides clear and high-quality video footage. The GPS functionality is a useful addition, and the customizable parking lines in reverse mode are well thought out. While the GPS signal can be inconsistent at times, toggling between playback and recording usually resolves the issue. With its sturdy build and impressive features, this dash cam is definitely worth considering for anyone in need of reliable and advanced rearview camera technology.

    Questions & Answers:

    Question: How is the video quality of the WOLFBOX G840S mirror dash cam?

    Answer: The WOLFBOX G840S offers stunning 4K UHD resolution for clear and detailed front and rear videos.

    Question: Does the WOLFBOX G840S have night vision capabilities?

    Answer: Yes, the WOLFBOX G840S is equipped with enhanced night vision technology for better visibility in low light conditions.

    Question: Are there any issues with the installation process of the WOLFBOX G840S?

    Answer: While the installation process is generally straightforward, some users may find that additional brackets are needed for a more seamless and factory-like fit.

    Leave a Comment