Attention BEFORE Placing order--OUR AHD backup camera supports AHD 1080P 25HZ only. Please make sure that your monitor/head unit supports AHD 1080P 25HZ/PAL video signal format. Some Android head units has the setting for AHD video signal , but the truth is that they can't display any AHD image, because they don't support AHD at all. If so, then you can only apply CVBS video signal. When applying CVBS video signal, the resolution is 1280*720, view angle is 120 degrees AHD 1080P Car Backup Camera--1920x1080 pixels resolution rear view camera with AHD video signal which provides more stable video signal transmission, less interference and delay than CVBS video signal cameras. High definition which is better than 99% reverse cameras, 170 degrees viewing angle, no worry about blind spot area, IP68 waterproof, works properly under car washing or bad weather, fantastic night vision effect, 0.01 Lux starlight night vision ensures high clarity image at any time Built-in Rotating