... , W/ colorful LCD display,car parking. auto parking detector, parking sensor kit. Front & Rear Parking sensor ,6 or 8 sensors, W/ colorful LCD ... display,car parking. auto parking detector,car parking sensor kit* Front sensors start to work upon ignition of ... when obstacles move closer within 1.50m. Front & Rear Parking sensor ,6 or 8 sensors, W/ colorful LCD display,car parking ...