First Alert Sensor Socket

First Alert Sensor Socket turns a light on automatically when you enter, turns it off when you leave.
You won’t forget to turn off lights in basements, attics, garages, workshops or closets! Ingenious Sensor Socket turns on a light automatically whenever it senses motion, then turns it off four minutes after the motion stops. Simply screw this socket into any standard indoor light socket that’s unobstructed by glass or lamp shade; works with bulbs from 25w to 100w bulbs. Features a 15′ range and senses motion in all directions. UL listed.