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2PCS 12V PIR IR Pyroelectric Infrared Module Adjustable Relay Output Sensor TOP

10pcs 8120-5 PIR Lens Human Infrared Sensor Fresnel Lens Pyroelectric Sensor

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10PCS 8002-2 White Infrared Q0037 High Sensitivity 23.3mm PIR Fresnel Lens

12V Pyroelectric Module Adjustable Relay Output Sensor