LED display parking sensor description: 1. Parking sensory, Digital LED showing obstacle distance. 2. LED2-4 alarm by Bi-Bi sound. 3. LED display with three colors (Red , yellow & green). 4. Crescent shape digital display screen. 5. 2 to 8 sensors are available. 6.Turn on/off the voice according to your desire. 7. All kinds of sensor colors and styles are available. 8. High quality and easy to install. 9. GT brand box package or OEM brand box.