RVS Rear View Backup Camera Lot RVS-770, RVS-825N 20M, 3 Cameras. 752 x 582/811 x 507. IR Switch Control: ACDS Automatic Control. 66 ft Extension Cable. Built-In High Gain Microphone. 1/3 in Color CCD Image Sensor. Check out our other auctions as we generally have many interesting or rare items.