7inch Waterproof Vehicle AHD Monitor With Touch Button is your good driving helper. AHD technology can realize the reliable transmission of ultra-long distance (500 meters) high-definition video signals on existing analog transmission lines; it adopts advanced Y/C signal separation and analog filtering technology, which can effectively reduce the color noise in the high frequency area. The image restoration is better. Compared with traditional analog high-definition products, AHD's monitoring image quality has a qualitative leap and improvement, and the highest definition can be equivalent to the full HD level of network HD 1080P. 7inch Waterproof Vehicle AHD Monitor With Touch Button is your good choice.