... sensor with LED display 2. high quality ,fast delivery, reliable warranty LED parking sensor,1. car rear 4 parking sensor ... activated when reversing3.Display precision: CM level4.Sensor detection range:0.5cm~2.5m5.Display ... design,unaffected by wind, ice, snow and rain7.beeper warning8.4*MF 1 analog sensors ... dispaly,buzzer built in&digital readout11. Power input 9.~16V DC parking sensor with LCD screen