TFT-LCD Parking sensor with camera 6"TFT-LCD Monitor Mirror Waterproof day & night digital (ccd or cmos) camera 2 video input,1video output Parking system comes on automatically when reversing Act automatically once reversing gear is in place Standard video signal output,can connect monitor Distance of obstacle is indicated with digital Simulating strip indicate the direction of obstacle 2,3or4 detectors are selectable Ccd or cmos camera is selectable TECHNICAL SPECIFICATIONS: RATED VOLTAGE: 12V DC (24V available) operating range: 10.5v-16v dc rated current : 20mA-200mA detecting distance: 0.3-2.0m ultrasonic frequency: 40khz display working temperature: -20C~+80C