5PCS BS412 BL412 BM412 NS412 DIP-4Pin Human Infrared Inductive Switch Probe Digital Pyroelectric Intelligent Sensor

High-concerned chemical：None isCustomized：Yes Theory：Optical Sensor Material：Metal Type：Temperature Sensor Output：Digital Sensor Brand Name：Axtaike Origin：Mainland China Use：Temperature Sensor

High-concerned chemical: None isCustomized: Yes Theory: Optical Sensor Material: Metal Type: Temperature Sensor Output: Digital Sensor Brand Name: Axtaike Origin: Mainland China Use: Temperature Sensor