DESCRIPTION
Ultrasonic 5-12VDC motion sensor CH-SR04-BOXED with adjustable distance up to 300 cm. The sensor sends a pulse logic high signal to the controller when triggered.
The sensor’s working voltage is 5-12DC.He has a three-pole terminal with the wires for easier connection. ATTENTION! A wrong wires connection can damage the sensor.
The advantage of this sensor compare with a PIR one is the ability to detect the object in a narrow angle of working area. You can adjust the distance by turning adjusting knob from 5 to 300 cm.When the object is detected a sensors green light will be on till the moment when the object disappeared from the sensor working zone.