TCP CFL SpringLamp, 100W Equivalent, Daylight (5000K) TruDim Dimmable Spiral Light Bulb TCP CFLs use 75% less electricity than their Incandescent Counterpart, while maintaining the same Light Output Please NOTE: This light bulb has TruDIM Technology - Fully dimmable light bulb Color: Daylight (5000K) This bulb has the light output of an incandescent 100 Watt Equivalent light bulb, but only uses 23 Watts of electricity Switching from your incandescents to CFL will save you $84 over the life of this item