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

3Pcs HC-SR501 Adjust IR Pyroelectric Infrared PIR Motion Sensor Detector Module With Relay Module 4 Channel DC 5V
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sku: 1005003181427954
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$7.20
Shipping from: China

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