Sunlite super mini spiral compact fluorescent lamps fit into most standard fixtures and give off a daylight light much like a 100 watt incandescent bub. These energy efficient CFL lamps can last up to 9.1 years with normal household use of 3 hours a day. This energy saving 23 watt 6500K, medium base bulb offers 1600 lumens of light output and has an average rated life of 10,000 hours.