BR40 FULL SPECTRUM COMPACT FLUORESCENT FLOODLIGHT 20 WATT CFL ENERGY STAR LIGHT BULB 50K REPLACES INCANDESCENT BULBS Reflector Floodlight Compact Fluorescent Light Bulb 23 Watts replaces 100 watt incandescent bulbs 120 Volts, Medium Base, 6.5" Maximum Overall Length 10,000 Hours, 5000 Kelvin Full Spectrum Color Tone Save up to 80% Energy Usage over Incandescent or Halogen Bulbs