Car LED Display 8 Sensors Kit Reversing Parking Radar Buzzer System 8 sensor system, double CPU and advanced chipset for enhanced coverage and detection. With digital colored LED display, show the distance and the direction between your car and the back obstruction LED display indicates Right, Middle and Left. With Bi.Bi.Bi alarm, the closer, the more rapid alarm. Help to provide increased safety for passengers, pedestrians and family members who happen to be around the moving vehicle.