Rear view system, car rear view system, car system, after reversing system, vehicle monitoring system, depending on the system after reversing monitor, bus, bus reversing video system, rear view camera, car after inspect system, from the first to use in the bus, bus, facilitate the driver see the door and reverse the situation, has been widely used in all kinds of cars now (such as bus, bus, bus, bus, trucks, vans, super long trailer, truck, forklift truck and sped off, communication, escort car, harvester, agricultural vehicles, corn machine, sightseeing car, etc.).