... .Three color line in LCD display3.Various colors of sensor4. 3.5" screen and external buzzer5. Automatically works when reversing. ... . High-tech processing, High-quality detector sensor, Beautiful line type figure. 9. Easy installation. 10. Factory certification: ISO 9001:2008 ... -35°C~+80°Csensor2,3,4,6,8, optionalDetect Distance 0.3~2.5 MApplicationAll CarAlarm Distance0.3~1.5 MPackaging neutral ...