TCP CFL Spring Lamp, 100W Equivalent, Soft White (2700K), TruDim Dimmable Spiral Light Bulb TCP CFLs use 75% less electricity than their Incandescent Counterpart, while maintaining the same Light Output Lifetime: 9 years (based on average usage of 3 hours/day Color: Soft White (2700K) This bulb has the light output of an incandescent 100 Watt Equivalent light bulb, but only uses 23W of electricity Switching from your incandescents to CFL will save you $84 over the life of this item