Quality, Reponsive Customer Service. Yakry 7 DVR Touch Key 4 Channels Wireless 1080P Rear View Backup Camera. Item has been opened and is in the original retail packaging. Item shows virtually no signs of wear. Item has been professionally tested and inspected to ensure complete functionality. The monitor can be single screen or split screen. Backup lines on/off, moving left or right, up or down. The system is easy to install with stable signal. The cameras are made of waterproof. The system with HD 1080P resolution, provides your clearest and most comfortable vision. With image flip function you can switch the screen to rear view/front view. Stable & Strong Digital Signal Transmission: Digital signal provides superior stability, high speed and low interference. Works better than analog signals over longer distances and without interference from other signals like Bluetooth. Two HD 1080P Wireless Backup Rear View Cameras: The Standard camera Reav view for your RV or trailer, the license plate camera is for your truck or car, it can be used for hitch rear view or reversing view. Both cameras have a 150 degree viewing angle; HD clear color picture, and the latest waterproof technology – IP69K. The RV camera sport powerful night vision, enough for you to use in the dark or at night, the license plate camera provided lighting at night through vehicle lights. Guide lines ON/OFF & DIY: Guide Lines can be turned ON or OFF, moving to left or right, up and down with the 7 inch monitor according to your preference. A charger is provided for the monitor. This monitor can be single screen or split screen. Easy to Install: The system with 2 1080P cameras are very easy to install. The backup camera can be connected to the reverse lights, so it turns on when shifting to reverse, or it can be connected to running lights, 12v battery for continuous use. Suitable for cars, SUVs, RVs, 5th wheels, trucks, trailers and campers.