Momento MD-8400 is Momento's M8 Max system with 4K UHD front video, a 1080p rear camera, dual-band Wi-Fi, GPS/speed data, ECO parking mode, voice control, and a 64GB microSD card.At a Glance 4K UHD (2160p) front recording at 30 fps with a Sony image sensor 1080p Full HD rear camera included Dual-band 2.4/5 GHz Wi-Fi for the Momento app Built-in GPS/speed antenna, motion sensing, impact sensing, and voice control ECO parking mode can reduce parked current draw by up to 90% 64GB microSD card and adapter included; supports up to 256GB 2-year manufacturer warranty Compatibility & What You NeedThe standard package includes front and rear cameras. Current manufacturer material describes optional third-camera support only in a supported 2K front-camera mode and firmware/configuration; other official material limits this model to two channels. Treat full 4K operation as front-and-rear coverage and verify any three-channel plan with MCOR before purchasing an optional camera.Recording, Parking & App Use Driving mode records continuously; parking mode can trigger on motion or impact Continuous loop recording overwrites the oldest unlocked footage as storage fills The app supports live view, footage review/download, settings, and supported firmware updates Wi-Fi is local camera-to-phone connectivity, not cellular remote viewing Technical Specifications Manufacturer part number MD-8400 Front resolution 4K UHD (2160p), 30 fps Rear resolution Full HD (1080p) Standard channel configuration 2 channels: front and rear Optional third channel Verify supported 2K-mode firmware/configuration before purchase Wi-Fi Dual-band 2.4/5 GHz Location data Built-in GPS and speed antenna Included storage 64GB microSD card and adapter Maximum supported storage Up to 256GB Warranty 2 years What's Included M8 Max 4K UHD front camera 1080p rear camera and rear-camera cable Main camera cable and hardwire power cable 64GB microSD card and adapter Windshield/rear-window mounting materials Manufacturer documentation Installation note: Professional hardwire installation is recommended. Parking-mode operation requires correct constant-power, ignition/accessory, and ground connections. Confirm vehicle power-management requirements before installation.Fitment disclaimer: Dash-camera fit is generally universal, but safe mounting space, cable routing, vehicle power behavior, camera-channel configuration, and any optional accessory compatibility must be confirmed for the exact vehicle and system before purchase.Why Buy From MCOR Automotive Authorized Momento products with manufacturer-backed warranty coverage Real-world guidance from vehicle-electronics specialists Clear compatibility help before purchase and professional-installation support