Gentex GENK335S-VCPK Auto-Dimming Rear Camera Display Mirror system with 3.3" Monitor and Compass for Volkswagen, Audi This is a OEM replacement, auto-dimming rear camera display mirror system with 3.3 inch monitor and compass Auto-dimming technology eliminates distracting and disabling glare, improves reaction time and decrease stopping time Clear and bright 3.3 inch high-definition rear camera display with 16:9 wide view Includes Rear Camera The display appears through the mirror automatically when vehicle is shifted into reverse and disappears when shifted into any other gear