... for 5 inch 12v monitor :5 " heavy duty monitor is for car security on auto vehicle like car,bus,coach,truck,caravan, ... 4 cameras and with 4 trigger wires. 5" rearview monitor system is reducing accident risk when driving,reversing,turning right/left ... )* Remote control, OSD menu display* 4 triggers function for car monitor* Contrast, color, brightness adjustable* Brightness: 350 nits,* contrast : 300 ...