DC 12V Sensor Timer Delay Relay Board for PIR radar Infrared Vibration Touch LED

10Pcs PIR HDPE Human body Infrared Induction Fresnel Lens Far Sensing Distance

mini DC 12V RS485 Delay Relay Module Modbus-Rtu Uart Switch Board for CCTV Cam

DC 5V Delay relay shield NE555 Timer Switch Adjustable Module 0 to 10 Second

50PCS Far Sensing Distance Human body Infrared Induction Fresnel Lens PIR HDPE

PIR Multi-Way 2-Relay Optional Neutral Occupancy/Vacancy Sensor switch white

20PCS Round Human Body Infrared Sensing Fresnel Lens Focal Length 18mm PIR Lens

10X PIR HDPE Human body Infrared Induction Fresnel Lens Far Sensing Distance