The distance detection system will switch on automatically when the car is under operating (power up) Four/six ultrasonic sensors, detect accurately Color LCD display, indicating distance in number Three-color display and shows obstacles both on the left and right on the screen Voice indication system Installation on bumper, just as original fitting Super misinformation-proof technology, accurate and reliable Technical parameters: Voltage: 10~15V Temperature: -40 to +80 deg. C Input: 3.6W (max.) Beep volume: 80dB Detective range: 0.3~1.5m Length of detective cable: 2.5m