WOLFBOX G840S Review: 4K Mirror Dash Cam

I recently got my hands on the WOLFBOX G840S 4K Mirror Dash Cam, and let me tell you, it blew me away.

As someone who's always on the road, having a reliable and top-quality dash cam is a must for peace of mind.

The G840S surpassed my expectations in every way. From the easy installation to the exceptional video quality, this dash cam is a standout choice.

I highly recommend it to anyone in need of a reliable and high-performing dash cam.

Key Takeaways

  • The WOLFBOX G840S is a 12 4K mirror dash cam car camera with front and rear view dual cameras, night vision, and parking assistance.
  • The installation and setup of the G840S is easy, with a secure fit on the mirror and additional gadgets included in the box.
  • The G840S provides high-quality video comparable to other 4K cameras and has an optional GPS device for speedometer info.
  • Customer testimonials praise the image quality, wide-angle lens, and easy installation of the G840S, as well as the after-sales service and support.

Product Summary

I am impressed with the features and performance of the WOLFBOX G840S 4K Mirror Dash Cam for cars and trucks. The installation process was straightforward, and the customer feedback has been overwhelmingly positive.

People have praised the easy cable installation and the secure fit of the device on the mirror. The 2.5D curved screen makes it easy to access and navigate, and the additional gadgets included in the box are a nice bonus.

Customers have also appreciated the high-quality video footage captured by the camera, which is comparable to other 4K cameras on the market.


The WOLFBOX G840S 4K Mirror Dash Cam offers a variety of impressive features for car and truck owners. One of its key features is night vision, which ensures clear and detailed recordings even in low-light conditions. This is especially useful for capturing important details during nighttime driving or in poorly lit areas. Another notable feature is parking assistance, which helps drivers navigate tight parking spots with ease. This feature provides visual and audible cues to guide the driver and prevent potential accidents while parking. With these features, the WOLFBOX G840S provides enhanced safety and convenience for drivers, making it a reliable choice for those in need of a high-quality dash cam.

Night VisionClear and detailed recordings in low-light conditions
Parking AssistanceVisual and audible cues for easy parking

Pros and Cons

In terms of the pros, the WOLFBOX G840S receives positive feedback on its installation and fit, high-quality video, and the optional GPS device for speedometer information.

Additionally, customers appreciate the clear images captured by the reverse camera and the bonus cloth for cleaning.

As for the cons, there are no significant drawbacks mentioned in the review.


Overall, the WOLFBOX G840S 4K Mirror Dash Cam has several impressive pros that make it a worthwhile investment.

The installation process is hassle-free, with a secure fit and easy cable installation using plastic wedges and cable holders.

Customer satisfaction is high, with positive feedback on image quality, wide-angle lens, and the device's easy installation.

Additionally, the after-sales service and support are praised by customers.

With these advantages, the WOLFBOX G840S offers a seamless experience for users, ensuring peace of mind and satisfaction on the road.


With some minor drawbacks, such as the bulky appearance and the need for a hardwire kit for 24/7 parking mode, the WOLFBOX G840S 4K Mirror Dash Cam still offers a range of impressive features and benefits.

While the installation process may require some effort, customer satisfaction remains high. The camera fits securely on the mirror and the 2.5D curved screen provides easy access. Additionally, the easy cable installation with plastic wedge and cable holders ensures a hassle-free setup. Customers have praised the premium build quality of the device, further enhancing their satisfaction.

Performance Improvements Needed

I believe the performance of the WOLFBOX G840S could benefit from some improvements.

While the customer feedback for the G840S has been mostly positive, there are areas where the device could be enhanced to provide an even better user experience.

One aspect that could be improved is the features offered by the dash cam. While the G840S already offers impressive features such as 4K+1080P dual camera loop recording and 24-hour parking monitoring, there may be room for additional functionalities that customers would find useful.

Taking into account customer feedback and suggestions for improved features would allow WOLFBOX to further enhance the performance of the G840S and meet the evolving needs of its users.

Final Thoughts

In my opinion, after reviewing the WOLFBOX G840S, it's clear that this 4K mirror dash cam offers exceptional performance and features that make it a reliable and valuable addition to any car or truck.

The installation of the G840S was a breeze, thanks to the included plastic wedge and cable holders, which made cable management easy.

Compared to other 4K mirror dash cams, the G840S stood out with its high-quality video and wide view angle. The optional GPS device provided accurate speedometer information, and the reverse camera captured clear images.

The build quality of the G840S was impressive, and the inclusion of a bonus cloth for cleaning was a nice touch.

Frequently Asked Questions

How Long Is the Warranty for the WOLFBOX G840S 4K Mirror Dash Cam?

The warranty for the WOLFBOX G840S 4K Mirror Dash Cam is not mentioned in the current question. However, the power supply of the dash cam is upgraded to a new TYPE-C power.

Can the WOLFBOX G840S Be Hardwired for Continuous Power Supply?

Yes, the WOLFBOX G840S can be hardwired for continuous power supply. The hardwiring installation allows for better power management, ensuring that the dash cam is always powered on and recording while the car is running.

Is the GPS Device Included With the WOLFBOX G840S Necessary for All Features to Work?

No, the GPS device is not necessary for all features to work on the WOLFBOX G840S. It is an optional device that provides speedometer info. Other features will still function without it.

What Is the Maximum Storage Capacity That the WOLFBOX G840S Supports?

The maximum storage capacity that the WOLFBOX G840S supports is not specified in the current question. However, it is important to note that the device requires a continuous power supply for optimal performance.

Does the WOLFBOX G840S Have Built-In Wi-Fi for Easy Video Transfer and App Connectivity?

Yes, the WOLFBOX G840S has built-in Wi-Fi for easy video transfer and app connectivity. It allows for seamless sharing of videos and provides convenience in accessing and managing footage.

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