WUZHOU Light Switch Infrared PIR Switch Infrared Sensor Human Body Infrared Sensor Ultra Thin Switch Sensor Infrared Sensor Switch can work all day choose the sun location. It only work in the night choose the moon location. It is suggested that sensor installation height is about 1.8m- 2.5m / 5.9- 9.2ft Light switch Infrared PIR can adjust sensitivity, delay time (5+/-2 second - 8+/-1 min), light illumination (2-2000lux), select the appropriate parameters according to the specific situation USB port make PIR Infrared Motion Detector convenient and simple to standby. Power supply via mobile phone, charging bank or other devices with USB port, Output voltage is equal to input voltage, low power consumption The PIR Infrared Motion Sensor function triggered by motion, you can use this small motion sensor switch to control lighting of corridors, toilets, basements, warehouses, garages and other places, automatic ventilation of exhaust fans and automatic control of other electrical appliances Head of PIR Sensor Switch can rotate 180 can adjust angle to reach best state easily. Colour: Black Dimensions: total length 75mm, width 42mm, height 52mm, opening 10mm Quantity: 2pcs 1.As different measuring methods,it will occur 1-3 cm deviation about the items,please ensure that it is okay for you before ordering. 2. Because of different monitors and lamplight, the picture may not reflect the actual color of the item, really thank you for your kind understanding. 3. Only the above package contents, excluding other products.