1): Ultrasonic Sensor. 2): Exact Detecting Ability. 3): Good Price and Prompt Delivery. ultrasonic sensorwe are provide Ultrosonic Sensor,sensor,ultrasonic transducer,open ultrosonic sensor, transducer,transistor,parking radar sensor. Function features: 1.Compatible with most if car alarms2.LED colcr alert3.Detects object movement4.Adjustable sensitivity 

Ultrasonic Sensor