Backup camera flush mount with a LATEST 6pcs FULL glasses large-aperture optical system,the picture with very low distortion rate,you will get crystal realistic view when you backing up. Also it with a horizontal 135 degree wide view angle lens,it's great for you to check the invisible blind spot clearly and make parking safe and simple. Rear view camera adopts a unique enhanced 4 waterproofing processes: PCB-Coating, Sealing adhesive, Filled potting and finally specially-designed waterproof structure to ensure its superb waterproof performance(up to IP69K IP rating). You absolutely no need to worry about water, fog or mist inside. Caution: please separately order a suitable harness to complete installation if connect it to a FACTORY RADIO. Reverse camera flush mount support 3 kinds: CVBS,AHD and TVI video signal output(great for Android stereos).CVBS by default,cut the purple wire loop to choose AHD format video signal (AHD,720P,30fps) and cut the blue wire loop to choose TVI