"This system is complete with a crystal clear 7"" LED Digital Panel color monitor with distance grid lines and mirror-image capability, two side CCD cameras each with a 120 viewing angle and 30-foot infra-red night vision, 1 heavy-duty CCD 130 backup camera with 18 built-in Infra-reds and all the wires, connectors and mounts you will need. With built-in system memory, this innovative system automatically saves previous option settings even after it's turned off. The RVS-770616N has two viewing options. The camera view can be triggered when the vehicle is put into reverse, or remain on continuously. The cameras are completely waterproof with an IP68/IP69K rating, strong and reliable, shock resistant, with a 20G vibration rating (highest in the industry), and the system comes with a full year warranty. System can be upgraded to the Quad View Monitor where multiple cameras can be viewed simultaneously. "