Dual technology motion detection surface light ideal for residential and commercial settings This surface mount LED light features a motion sensor, so it immediately turns on when you enter your closet, pantry, garage, patio, porch and more Ambient light range that triggers the light to turn on is 12 lux, and the light turns off automatically after 30 seconds PIR motion sensor automatically turns the light on when sensing motion within a 12 ft. radius when mounted at an 8 ft. height, or 15 ft. radius when mounted at a 10 ft. height Dusk-to-dawn photocell sensor prevents this light from turning on if there is light in the room