TCP 69032 CFL 3-Way Spring A Lamp - 40, 75, 150 Watt Equivalent (max 32W used) Soft White (2700k) Spiral Light Bulb Replaces Standard Incandescent 40/75/150-watt 3 way light bulb Compact Flourescent Bulbs use 75% less energy with same light output Lifetime: 9.1 years Uses max of 32 Watts of electricity Not Dimmable Estimated Annual Energy Cost to Operate: $1.69/bulb at 14 watts, $2.29 at 19 watts and $3.85 at 32 watts