TCP 78909DL3 CFL Spring Lamp - 40 Watt Equivalent (only 9W used!) Daylight (5000K) T2 Mini Spring Spiral Light Bulb 3 Pack 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: Daylight (5000K) This bulb has the light output of an incandescent 40 Watt Equivalent light bulb, but only uses 9W of electricity Switching from your incandescents to CFL will save you $102 over the life of this item