... parking sensor system,car parking sensor system,parking sensor,reverse parking sensor,sensor we are specialized in manufacturing parking sensor system,car parking sensor system,parking sensor,reverse parking sensor,sensor. Description: 1.2.5inch LCD ... H)10.Weight:90g11.Function of A/B button the back of the screen: A: switch view Lt & Rt; ... be start-up when start to back a car,and be turn off finish to ...