... wrong connection.All weather design enable operation in the most extreme environment.Shockproof,Wetherproof, ... vopltage:DC 12V+(-)2VMax power:Pmax5WWide Operating Temperature Range:-40-(+)80Display and alarming distance:1 ... sensor,car parking sensor,Buzzer reverse sensor,colorful LCD reverse parking sensor,voice parking system,Parking sensor:Buzzer reverse sensor,parking sensor system,car parking sensor ...