Bsod Aotomatic MINI DC 5-24V 5A PIR Sensor Switch Time Adjustable Small Infrared Motion Sensor Detector Switch for LED Lighting PIR(Passive infrared) Motion sensor is pyroelectric device can detect human movement by detecting Infrared ray emitted by human body. Automatic Induction: When people enter into the range of induction, it will output high level; when people leave, it will turn off high level and output low level with delay. the drive current is big, can control the LED drive current 5A 24V leds High sensitivity, easy for installingAdopted specific integrated circuit, stable work, strong anti-interference capability. Applicable to the corridor, corridor, toilet, basement, warehouse, garage and other places of automatic lighting, exhaust fan convulsions and other electrical automatic control, et