Front and Rear arrow direction, VFD HUD display
1) Alarm with multi-functional ultra-thin VFD display
2) Embeded "bi..bi.." buzzer
3) Support safe HUD (head up display) mode:rotate the display face to car windshield and choice HUD      mode to read the distance from windshield
4) 2~8 pieces different color sensors is available
5) Different type waterproof sensor
6) Sensor could be with waterproof plug, it's convenient to replace sensor
7) Wireless display optional: no need run a cable between display and main control box
8) Easy installation
9) Alarm volume: 75~90 dB
10) Operation temperature available: -35~+75 degrees