The buttons have automatic LED backlight, drivers can operate exactly at night. Monitor has a built-in protector for protecting monitor from being damaged by power polarities reversed. With built-in innovative system previous option settings memory even after it's turned off. Camera's image can be set as mirror, non-mirror or up-side-down by OSD menu.
Turn the distance grid line on by menu, then connect trigger wire to power, it will show. Monitor has two trigger wires. Monitor will be triggered to be turned on automatically to display camera image when reversing. After reversing, the monitor will be back to the pervious mode. This system has two viewing options(view when reverse or remain on continuously).We uses waterproof Aviation 4-pin screw connectors, NO BNC/RCA.