WOLFBOX G840S 12' 4K Mirror Dash Cam Backup Camera, 2160P Full HD Smart Rearview Mirror for Cars and Trucks, Front and Rear View Dual Cameras, Night Vision, Parking Assistance, Free 32GB Card and GPS Diabetes Care With an interchangeable lens system

With an interchangeable lens system and its compact size

7" focusing and use the built-in mirror on the front of the lens for perfectly composed selfies

live view from front and rear

closed back design reduces background noise while providing an exceptionally comfortable fit

com Koss introduced the PortaPro headphone back in 1984

WOLFBOX G840S 12' 4K Mirror Dash Cam Backup Camera, 2160P Full HD Smart Rearview Mirror for Cars and Trucks, Front and Rear View Dual Cameras, Night Vision, Parking Assistance, Free 32GB Card and GPS Diabetes Care With an interchangeable lens systemWarm Tips: 1. Swipe left & right on the screen to adjust luminance, up & down to adjust visual angle. 2. There are three display modes. Screen always on, screensaver with GPS information, Auto LCD OFF. When in Screen Always On mode, you can switch among front view\rear view\front rear dual view. It works as a normal rear view mirror when screen saver is on. 3. Please don't splice rear camera wire for extension, monitor may lose the rear image. We have