1.Two ultrasonic sensors installed on left and right of the plate, one color camera installed in the middle of the plate                     2.the sensors aid detecting potential obstacles and enable accurate distance measurement to make reversing safe and convenient                                                                                 
3.Auto-detecting and auto-alarming mechanism                                                                                                                                 4.Detecting range:0.3 to 2M acoustic signal increases in frequency,when obstacles move closer within 1.5m                                   5.Suitable for all kinds of EU cars,the system could be connected with all kinds of car monitor                                                         6.Easy to install , no damage to car bumper
7.The camera's angle can be adjustable with 120 degree