car parking sensor system/parking guidance system 1. factory directly 2. best price/high quality 3. OEM is welcome 3 stage Bi,Bi reminder CE,E-mark parking sensor system LX-30011. 3.00M high power transmitting, 0.28m close range reception.2. vioce indication& buzzing warning3. System activated automatically when reverse gear is engaged4. Beep notifies the driver of the distance and position of ...