Keep pathways, stairways and walkways safer with motion-sensor path lighting. The wireless, battery-powered step lights provide essential lighting for dark areas and automatically turn on when they detect motion. The wireless step light instantly turns on when it detects motion from up to 15 ft. away. It automatically turns off 20 or 60 seconds after the motion stops to prolong battery life. Expect about 1 year of light on each set of.. See full description for further details