Adjust IR Pyroelectric Infrared IR PIR Motion Sensor Detector Module HC SR501 | eBay

Adjust IR Pyroelectric Infrared IR PIR Motion Sensor Detector Module HC-SR501 in Business & Industrial, MRO & Industrial Supply, Safety & Security | eBay ... Description Product Type: HC--SR501 Body Sensor Module Operating voltage range: DC 4.5-20V

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