The nextbase rear window camera offers all round-protection to guard against tailgaters and rear end impacts. Features compatible with 322gw - front 1080p, rear - 720p, 422gw & 522gw - front 1080p, rear - 1080p or front 1440p, rear 720p 140° ultra-wide viewing angle to capture the whole road behind, including the pavements on both sides. 236 inches cable to connect to your front facing nextbase dash cam use pip (picture in picture) mode to playback footage on your front facing nextbase dash cam the nextbase rear window camera uses neodymium magnets meaning it can be used at any angle. It is the size of a table tennis balls, so the camera is small and discreet.