... parking sensor system 1.Detect distance:0.3~2.5M 2.Three colors for VFD display 3.Various colors of sensors LED digital buzz parking sensor ... tech processing, High-quality detector sensor, Beautiful line type figure. 8. Easy installation. ... sensor model, 8-sensor model, 4-sensor, 3-sensor, even 2-sensor model could also can be made.11. Factory certification: ISO9001:2008 Type LED Digital parking Sensor ...