led display car parking system ultrasonic sensor

♦4 sensor system, advanced chipset for enhanced coverage and detection (0.3-2.5m); ♦With digital colored LEDdisplay (number & light); ♦Help to provide increased safety for passengers, pedestrians and family members who happen to be around the moving vehicle; ♦Detect small children and low walls as well; ♦Small, exquisite and beautiful appearance;