Feature:1. Easy installtion by screw under license plate 2. Fits UK/ European license plate 3. Alarm by three-step bibi sound or human voice 4. Display the distance & direction of obstacles on the display 5. With LED or LCD digital display 6. Three ultrasonic sensors detect obstacles 7. Waterproof & night vision design Specification: Parking sensor parameter: Voltage 9-15 DCRated voltage 12V DCRespond cost 0.3-2.0m Sensor anglex y 60 Alarm volume 65DBWorking temperature-30 ℃ ~80 ℃ Power (wireless)10mw FM (wireless)433MH/2.4GHZTFF Monitor paremeter: Voltage 9-15 DCRated voltage 12V DCPower cost 3w Display resolution 320RGB*240 / 480RGB*234 Display rated 4:3 / 16:9 Video input 2 way Working temperature-30 ℃ ~80 ℃ Camera paremeter: Voltage 9-15V DCRated voltage 12V DCPower cost 1.5w Sensorcolor CMOS/CCDTotal pixels 640*480 Angle 170 Mini lux 1lux/0lux (LED) Video out 1.0v PP CVBS (L=75R) Working temperature -30 ℃ ~80 ℃ Package Included:1 X Car Rearview Camera 1 X Buzzer 1 X video Cable 2 X Power Cable 1 X Instruction