... 5,4 sensors LED(4)Speaker Warming Led Display Car Parking Sensor System(four sensorsUnparalleled Competitive Advantages:Ultra low malfunction rate, less ... .6m”, “1.0m”, “1.5m” can tell different parking status user-friendly4 ultrasonic sensors with numbers and colors selectableEasy to installAlarming Style ... : 14kg Hot sale,1 year warranty,LED Digital Display Voice Parking Sensor System,4 sensors,