... Buzzer alarm * Sensing Angle:X,Y: 60degree LED Car parking sensor system1.Unparalleled Competitive Advantages:* Ultra low malfunction rate, less ... ODM/OEM accepted2.Key Functions:* Parking sensor, auto-start when back up.* Obstacle distance in digital displayed on 8.8 ... .6m, 1.0m, 1.5m can tell different parking status user-friendly* 2/3/4/6 ultrasonic sensors ... -30ºC to 70ºC LED Car parking sensor system