Replace your energy-sapping incandescent spotlights with the 120-Volt 72-LED 4.75-Inch Par 38 Spotlight Bulb. LED bulbs are the new generation of lighting technology. Now used extensively in traffic lights, automobiles and airplanes, LED bulbs offer long-lasting durability, lower power consumption and money savings.The energy-efficient outdoor 120-Volt 72-LED 4.75-Inch Par 38 Spotlight Bulb uses about 10 percent of the energy of a standard spotlight. You'll be able to run it all night, every night for less than $4 per year! The bulb will last significantly longer than a standard bulb, as well: The 120-Volt 72-LED 4.75-Inch Par 38 Spotlight Bulb is rated for 60,000 hours, whereas standard bulbs rate at 750 to 1500 hours.