Aukru 3x HC-SR501 Human Sensor Module Pyroelectric Infrared PIR Motion Sensor Detector

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Product Features

3PCS HC-SR501 Pyroelectric Infrared Human Sensor Module automatic sensor: when people enter the sensor,output range is high;when people leave the sensor, range of the automatic off, output low output high signal: easy to achieve docking with the various types of circuits. Board PCB Size:3.7x2.5x2cm(1.46x0.98x0.79inch)