CoRui Infrared PIR Sensor Switch 110-220V Human Body Detector Embedded Concealed Staircase Motion Detection Ceiling Installation Description: Series: Human body induction Working voltage: 85-265 (V) Sensing range: 5-8m Load power: 100W Output form: Relay Delay closing time: 5 seconds, 45 seconds, 5 minutes, 15 minutes adjustable Scope of application: stairs, aisles, garages, gates Item No.: MR-HWQR8636 Order number: Embedded concealed installation Color: elegant white Specification size: 86*36mm, opening 68-80mm Item number: temperature sensor Specifications: Widely used in public place or the corridor of house. Human body motion sensor, in condition of weak light, when people arrive, it turns on, when people leave, it turns off with delay. Cellular infrared sensor switch, more sensitive and efficient. You can adjust it to induct in daylight or night, convenient to use. Energy saving, it will not turn on when the light is bright enough. Time delay adjustment:5 seconds, 45 seconds, 5 minutes, 15 minutes adjustable ( It can be set according to your requirements ) Easy to install Package Included: 1*User manual 1*sensor