Reference video installation as follows:https://www.youtube.com/watch?v=AKgnkanT5D8Note：Video products for 7inch， this product is 4.3 inches， the same principle， the video for reference only，see video installation steps:https://www.youtube.com/watch?v=AKgnkanT5D8Please installed carefully ， or ask the professionals to operate this product， otherwise you can not complete the whole process ，it will eventually lead to the product unusable， with reference to the video reference only， not as a judgement on the basis of the product itself Specifications:TFT LCD monitor:● Resolution: 480 ( H ) x 272 ( V )● Power: ≤ 2W● Video Input: AV1 / AV2 video input， AV1 / VCD / DVD video output signal ( system default )， AV2 connection reversing camera ( reversing automatically switch )● Signal format: PAL / NTSC / AUTO， compatible with all signal formats● Contrast: 300 : 1● Rated voltage: DC 12VBackup reverse camera:● Image sensor: PC1030 ( Distance reference marking display )● Resolution: 420TVL● Lens angle: 3.6mm ( 92 degree ) / 2.8mm ( 120 degree )● S / N Radio: Better than 48db● Video output: RCA connector， 1.0vp-p， 75ohm● Power: 12V DC ( + / - 10 percent )● Water resistant grade: IP68● Effective Pixels: 628 x 586 pixles / PAL， 510 x 496 pixels / NTSCFeatures:Practical 4.3 inch TFT LCD monitor + night vision rear view cameraThe monitor is ultra-thin， 2 channels video input and easy to installIP68 water resistant IR camera with wide view angleComes with 6m length video cableIt acts as a normal rear view mirror， and reflector will automatically appears when the monitor is turned offYou can clip it over your original mirror， and it will show rear view imageConnected with rear view camera， the rear view image will appear on the screen automatically when reversing the carThis kit is used for 12V vehicles Package Contents: 1 x Mirror Monitor1 x Camera1 x Monitor Connecting Cable1 x Camera Connecting Cable1 x Audio Cable1 x User Manual