HD 720P Rear-view Backup Parking Assist Camera, which can output 720P HD video signal. Special wiring design plus system firmware support allows user to have a live rearview when vehicle is moving ahead It only works on selected ATOTO car stereos (X10/S8/F7/A6/A5 Series) and the video image quality is much better than traditional cameras that output CVBS signal type. It is not compatible with other car stereo brands!