Description: New LED display parking sensor system 1. LED Display with three colors (Red, yellow & green) 2. System activated automatically when reverse gear is engaged 3. Beep notifies the driver of the distance and position of obstacles. 4. Three stages indicating, the closer the obstacle, the faster the beeping frequency. 5. Detecting distance range from 0M to 2.5M 6. 4 sensors 7. Insert/stick/waterproof sensors optional.