2PCS PIR Sensor HC-SR501 Adjust IR Pyroelectric Infrared Motion Detector Module For Raspberry Pi Sensing Human Bod

High-concerned chemical：None isCustomized：Yes Theory：Optical Sensor Material：Polymer Type：Temperature Sensor Output：Switching Transducer Brand Name：TENSTAR ROBOT Origin：Mainland China Use：Temperature Sensor

High-concerned chemical: None isCustomized: Yes Theory: Optical Sensor Material: Polymer Type: Temperature Sensor Output: Switching Transducer Brand Name: TENSTAR ROBOT Origin: Mainland China Use: Temperature Sensor