Sunlite 05588 105 Watt High Wattage Spiral Medium Base Warm WhiteSunlite high wattage spiral compact fluorescent lamps give off a warm white light much like a 400 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 105 watt 3000K, medium base bulb offers 5000 lumens of light output and has an average rated life of 8,000 hours. 105 Watt, 5000 Lumens, 80 CRI 400 Watt Incandescent Equivalent 8,000 Hour Average Lamp Life 3000K