Don't waste energy by leaving a lamp on all night long! Now you can leave lights on without guilt by replacing an ordinary bulb with the 120V 36 LED Light Bulb, a low-energy bulb that provides a high-definition reading light. Since it can be run 12 hours a day for a year at a cost of about 80 cents, this LED bulb should last about 10 years, significantly longer than ordinary light bulbs.The 120V 36 LED Light Bulb runs on 1.3 watts of electricity and is safe to use outdoors. It has an average bulb life of 60,000 hours.