TCP 28904T CFL A - Lamp - 25 Watt Equivalent (4W) Soft White (2700K) Tall Spring Lamp Light Bulb Replaces standard incandescent 25-watt light bulb but only uses 4 Watts! Compact Flourescent Bulbs use 75% less energy with same light output Lifetime: 8+ years Uses 4 Watts of electricity Not Dimmable