Sunlite 9 Watt Mini Reflector, GU10 Base, DaylightSunlite GU10 Spiral Compact Fluorescent ultra compact lamps fit into most standard track light fixtures and give off a daylight like white light much like a 25 watt incandescent bulb. These energy efficient CFL lamps can last up to 7 years with normal household use of 3 hours a day. This Sunlite energy saving 9 watt 6500k GU10 CFL base bulb offers 280 lumens of light output, and has an average rated life of 8,000 hours. 9 Watt, 280 Lumens, 80 CRI 25