A mirror dash cam solves a problem most drivers don’t realize they have: the cluttered windshield. The Rexing M2 Max is a dash cam disguised as a rearview mirror, manufactured by Rexing and released in early 2024, priced between $150 and $200 USD. It installs over your existing rearview mirror using adjustable clips or straps, eliminating the need for suction mounts or permanent modifications to your vehicle.
Key Takeaways
- The Rexing M2 Max installs over your existing mirror without permanent modifications or suction mounts.
- Dual-channel recording captures both front and rear footage simultaneously with night vision and wide-angle lenses.
- Wi-Fi connectivity enables app control, GPS logging, and parking mode with motion detection.
- Installation takes minutes and requires only a 12V car adapter connection plus rear camera wiring.
- Priced at $150–$200 USD, it costs less than many traditional dash cam setups while maintaining a cleaner interior look.
Why a mirror dash cam makes practical sense
Traditional dash cams require you to choose between visual clutter or compromised field of view. Bulky suction mounts stick to your windshield, catching sunlight and dominating your line of sight. The Rexing M2 Max eliminates this trade-off by replacing your rearview mirror entirely—or overlaying it—so the camera becomes part of your car’s interior rather than an obvious aftermarket addition. For drivers who want protection without the gadget look, this approach actually works.
The mirror itself displays a live rear camera feed on an integrated LCD screen while still functioning as a traditional mirror. You can toggle between the rear view and normal mirror mode depending on traffic conditions. This dual functionality means you’re not sacrificing visibility; you’re enhancing it. The 170-degree field of view on the rear camera captures more of what’s happening behind you than a standard mirror alone, which matters during lane changes and parking.
Installation and setup for the Rexing M2 Max
Installation is straightforward enough that most drivers can complete it in under an hour. Turn off your vehicle, then align the M2 Max over your existing rearview mirror and secure it using the adjustable straps or clips included in the box. Most installations don’t require removing your original mirror—the device simply clips over it. The rear camera connects to your license plate area using included wiring, which you’ll fish through the headliner or along interior trim to keep it hidden. Plug the 12V car adapter into your cigarette lighter, mount the front camera behind the mirror if you’re using a separate unit, and power on the device.
Once running, adjust the screen brightness and angle to suit your preferences, then pair the mirror with the Rexing app via Wi-Fi for full control over settings, footage access, and parking mode configuration. The device supports microSD cards up to 256GB, so you’ll have plenty of storage for weeks of continuous loop recording.
Dual-channel recording and night vision performance
The Rexing M2 Max records from both front and rear simultaneously, capturing your journey and everything behind you. Front recording typically runs at 1080p or higher, while rear matches that resolution. Night vision is included on both channels, though performance in low light is effective rather than exceptional—don’t expect true 4K clarity in darkness, but you’ll capture usable footage of license plates and incident details even on unlit roads.
The 170-degree wide-angle lens on the rear camera is the real advantage here. It captures the full width of adjacent lanes, making it invaluable for insurance claims involving sideswipes or lane-change collisions. The front camera provides equally broad coverage, reducing blind spots that traditional dash cams miss. Loop recording means the device automatically overwrites old footage when your card fills up, so you don’t have to manually manage files.
Wi-Fi, GPS, and parking mode features
Wi-Fi connectivity transforms the M2 Max from a passive recorder into an active safety tool. You can download footage directly to your phone via the Rexing app without removing the microSD card, review incidents in real time, and adjust settings remotely. GPS logging records your route, speed, and location data alongside footage, which is crucial for insurance claims and accident reconstruction.
Parking mode with motion detection is where the device earns its keep. Enable G-sensor impact detection and the camera locks footage automatically if your parked car is hit or bumped, preserving evidence that would otherwise be overwritten. This feature alone justifies the investment for anyone parked on busy streets or in apartment complexes.
How the Rexing M2 Max compares to traditional dash cams
Traditional dash cams like those from Garmin or Nextbase require separate windshield mounts that add visual bulk and can obstruct your view. The Wolfbox G850, another mirror dash cam competitor, offers 4K front recording with a 1080p rear camera but features a larger screen and a bulkier installation process. The Auto-Vox Wireless model eliminates rear camera wiring with wireless connectivity but sacrifices battery life in the process. The Fitcamx Mirror Cam integrates smoothly into specific vehicles like Tesla models but costs significantly more and only works with compatible cars.
The Rexing M2 Max sits in the sweet spot: universal fit, straightforward installation, dual-channel recording, and a price point that doesn’t require a second mortgage. You’re not getting 4K front recording or the latest AI-powered incident detection, but you’re gaining a cleaner interior and rear coverage that most traditional mounts can’t match without adding another camera to your windshield.
Is the Rexing M2 Max worth buying?
If you want dash cam protection without the visual clutter of suction mounts, the Rexing M2 Max delivers practical value. The mirror-overlay design works genuinely well, installation is manageable, and the dual-channel recording with night vision covers the basics of accident documentation and insurance claims. At $150–$200 USD, it costs less than many standalone front-and-rear dash cam systems while maintaining a factory-fresh interior appearance.
The main caveat: compatibility varies depending on your vehicle’s mirror size and shape. Curved or oversized mirrors may require adjustment, and some users report fit issues on certain car models. Check the product listing carefully against your vehicle’s specifications before ordering. If your mirror is a standard flat design, you’ll have no problems.
Does the Rexing M2 Max work on all vehicles?
The Rexing M2 Max is designed as a universal fit device, but actual compatibility depends on your rearview mirror’s size and shape. Standard flat mirrors work without issue. Curved mirrors or oversized designs may require adjustment or supplementary clips. Check your vehicle’s mirror dimensions against the product specifications before purchasing.
How much storage does the Rexing M2 Max need?
The device supports microSD cards up to 256GB, which provides weeks of continuous loop recording depending on resolution and frame rate settings. A 128GB card is typically sufficient for most drivers, offering several weeks of dual-channel footage before older files are automatically overwritten.
Can you use the Rexing M2 Max without Wi-Fi?
Yes. The Wi-Fi feature enables app control and remote footage access, but the camera records continuously regardless of Wi-Fi connection. You can retrieve footage by removing the microSD card and accessing it on a computer, though the app method is more convenient.
The Rexing M2 Max represents a genuine improvement over the traditional dash cam setup for drivers who value clean interiors and practical functionality. It’s not the most feature-rich option on the market, but it solves a real problem—visual clutter—without sacrificing the protection you actually need.
Edited by the All Things Geek team.
Source: Tom's Guide


