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WOLFBOX G840S 12 inch 4K Mirror Dash Cam: A Comprehensive Review

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By Ben Carter

Updated September 29, 2025
WOLFBOX G840S 12 inch 4K Mirror Dash Cam: A Comprehensive Review
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9.2

Consumer's Best Score

Consumers Best Verdict: WOLFBOX G840S 12 inch 4K Mirror Dash Cam Highlights

The WOLFBOX G840S is a feature-rich dash cam cleverly integrated into a 12-inch rearview mirror replacement. It offers a 4K front-facing camera and a 1080p rear camera, providing comprehensive vehicle coverage. Its large IPS touchscreen serves as a live video feed, playback screen, and settings menu, aiming to declutter your dashboard and enhance your field of view.

For drivers seeking a premium, integrated solution, the WOLFBOX G840S is an outstanding choice. It excels by combining a high-quality 4K dash cam, a full-time digital rearview mirror, and advanced safety features into one sleek package. The video quality is top-tier, and the large screen significantly improves rear visibility, making it a powerful upgrade for nearly any vehicle.

In-Depth Look

In-Depth Look: WOLFBOX G840S 12 inch 4K Mirror Dash Cam Features & Considerations

Core Features & Consumer Benefits

The WOLFBOX G840S isn't just a camera; it's a multi-function command center for your vehicle, blending safety, surveillance, and convenience into a single device.

Capture license plates and crucial details with stunning clarity thanks to the front-facing True 4K resolution camera.

Enjoy a wide, crystal-clear digital rear view and navigate menus effortlessly on the expansive 12-inch IPS touchscreen.

Record the road ahead and behind simultaneously with the dual-camera system, providing complete coverage in case of an incident.

Achieve a clean, factory-installed look that eliminates dashboard clutter and blind spots associated with traditional dash cams.

Benefit from advanced safety features like GPS tracking for speed and location logging, a 24-hour parking monitor, and lane departure warnings.

Important Considerations & Potential Downsides

- Proper installation, especially hardwiring for the parking mode feature, can be more complex than a standard dash cam and may require professional help.

- The large 12-inch unit may interfere with the movement of sun visors in some smaller vehicles.

- Like any screen, it can be prone to glare in direct, bright sunlight, though the anti-glare display helps.

- The rear camera's video quality is 1080p, which is clear but not as sharp as the 4K front camera.

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Who Is the WOLFBOX G840S 12 inch 4K Mirror Dash Cam Best For?

Drivers who want a clean, OEM-style installation without a separate device cluttering their windshield.

Tech-savvy users who value high-resolution 4K video and a large, responsive touchscreen interface.

Owners of large vehicles, or those whose rear view is often obstructed by cargo or passengers.

Rideshare and professional drivers who require reliable video evidence and GPS data logging for every trip.

Anyone looking for an all-in-one solution that includes front and rear recording, parking surveillance, and a reversing aid.

Who Might Want to Explore Other Options?

- Budget-focused shoppers who only need a basic, forward-facing dash cam without premium features.

- Individuals who prefer a more compact, less conspicuous 'wedge' or 'mini' style dash cam.

- Users who are not comfortable with the wiring process for the rear camera and hardwire kit.

- Drivers of classic or vintage cars who wish to maintain a period-correct interior aesthetic.

Frequently Asked Questions

Yes, the G840S simultaneously records from the 4K front camera and the 1080p rear camera, storing the footage in separate files on the memory card for comprehensive coverage.

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