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3Pcs For HC-SR501 Adjust IR Pyroelectric Infrared PIR Motion Sensor Detector Module With Relay Module 4 Channel DC 5V

USD 8.07USD 13.91

3Pcs For HC-SR501 Adjust IR Pyroelectric Infrared PIR Motion Sensor Detector Module With Relay Module 4 Channel DC 5V

Description
Specification
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