Introduction: The product adopts advanced static switch technology, has features of very low power consumption, stability and convenient installation; With red-ray-through infrared sensor and Lenses, can fast detect the weak infrared ray from body and automatically start lighting rapidly when some people enters the detection range; the lamp will be automatically turned off in some certain time after people leave. Very save power and be economic to the users. Application places: Widely used in the gangway, aisle, elevator door and washing room of household, enterprises, hotels, hospital, school, business office building, basement, warehouses, residential sub-district etc. 1)With light sensor, only start lighting when the environment light intensity is not strong enough 2)with delaying time function, different delaying time available according to customer's demand (Min set time: 5S,Max Set Time: 100S) 3)PIR sensor 4)detection range: 6M 5)detection degree:360 degree, all direction detection 6)suitable installation height: 2 to 3M