Av1 video interface, can be used as a car DVD or set-top box display; av2 video interface, can be connected to a reversing camera. ^^ Wide range of applications, suitable for all types of vehicles, reversing the car automatically. ^^ Wide voltage setting, DC9V--DC26V car can be used directly, no power inverter, easy to install. ^^ There is short-circuit, the wrong positive and negative poles will not burn the machine, just need to connect the positive and negative poles again to use normally. ^^ Get rid of the restriction of reversing priority line, video 2 supports reversing priority function, as long as video 2 is connected to the camera, the screen will automatically jump when reversing.