TCP CFL Spring Lamp, 60W Equivalent, Green Colored 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: GREEN This bulb has the light output of an incandescent 60 Watt Equivalent light bulb, but only uses 13W of electricity Switching from your incandescents to CFL will save you $51 over the life of this item