Advanced process technology. When reverse gear is on， the system automatically starts to search for the camera signal and display backup video. When parking is finished， it will switch off automatically. A good device to ensure parking safety.Features:4.3 inch digital TFT LED monitor.AV signal auto detect power on/off.Auto switch when reversing.2 channels AV input.PAL/NTSC compatible.Compact size and easy installation.It acts as a normal rear view mirror， and the rear view image will appear on the screen automatically when reversing the car.Support language: English， Chinese， Russian， German， etc.Specifications:MonitorShow foot size: 4.3 inchDisplay: TFT-LCDResolution: 480 * 272Video Input: 2 way AV inputSignal format: PAL / NTSCContrast: 300:1Rated Voltage: DC 12VCameraImage sensor: CMOS 7070Resolution: 420 TV lineLens angle: 170▲SNR: >45.6dBVideo output: RCA connector， 1.0vp-p，75ohmPower: 12V DC(+/-10%)Waterproof grade: IP68Effective Pixels: 656 * 492General:Color: blackPackage size: 31 * 11 * 5.6cm / 12 * 4.3 * 2.2inPackage weight: 534g / 1.2lbPackage list:1 * 4.3 inch TFT LCD Mirror Monitor1 * Camera2 * Power cable1 * 6m video cable1 * English user manual