... sound 3,LED digital display 4,1 year warranty 5,4 sensors LED(4)Speaker Warming Led Display Car Parking Sensor System(four sensorsUnparalleled Competitive ... (color sample needed)Small orders and ODM/OEM acceptedKey Functions:Parking sensor, auto-start when back up.Obstacle distance in digital displayed ... : 14kg Hot sale,1 year warranty,LED Digital Display Voice Parking Sensor System,4 sensors,