Easy to install 2 Supply. If powered by fuse box, please connected the Red to , the black connect the Metal (Ground), thus the monitor and backup camera will automatically turn on/off when the vehicle is ON. Or if powered by cigarette lighter, it need to manually turn on the monitor when the vehicle starts. (Installation instructions are included.)Backup camera kit with Distance Sensor Default with parking guidelines, it will automatically show the rear images and parking guidelines full time whether it's driving or reversing. Perfect for backing into tight spots or moving in reverse, especially for the Vehicles, just like having an extra eye in the back.IP67 Waterproof HD Reverse Camera Based on IP67 Waterproof Level and CMOS Sensor will present superior clear images even at rainy days. While the 18 IR LEDs will give low light compensation and the vivid images during the night.7 inch Rearview Monitor and 2 Channel Video Input 7 Inch LCD display monitor can directly attached to flat surface dashboard with provided adhesive foam and pedestal (pedestal can be removed), and the monitor also has capability to monitor two video inputs V1/V2. V2 video input will have priority (reverse camera) for safety, V1 inputs can add a additional front/side/reverse camera for better safety.IP67 Waterproof Backup CameraThis rear camera is IP67 waterproof grade, equipped with 18pcs IR LEDs which will give low light compensation and the vivid images even in the rainy night.Support Two-way Easy InstallationInstallation 1Hard wire the monitor to fuse box.Install the rear view camera on your car and connect the trigger cable to the 49.2 ft extension cable.Now when you are in/out of Reverse , the camera and the monitor will automatically turn on/off.Installation 2Connectthe monitor with the included cigarette lighter adapter.If you install in this way, the monitor will not be triggered by reversing, need to be manually turned on/off.This item can also be used as a rear view monitor, it works all the time if you connect it in this way and keepScreen size: 7 inch (16:9)resolution: 1024X768: DC 12VMonitor work temp: -10~+40Camera waterproof grade: IP67Camera IR LEDS: 18pcsCamera resolution: 480TV linesExtension cable length: 49.2 ftPackage Contents:1* monitor1* camera1* visor1* video cable1* remote control1* sticker4* screws1* cord1* car charger lineOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.