Smart Light Bulbs Turn On and Off Automatically Energy saving LED light bulbs have a built in sensor that turns them on at dusk and off at dawn Creates bright, ambient light for better visibility and safety around the house Great for indoors, outdoors, enclosed fixtures, and damp areas 800 lumens/60 watt equivalent Lasts up to 25,000 hrs This item can be found in the Whatever Works catalog. | Dusk To Dawn Lightbulbs Pkg Of by Whatever Works.