20 WATT PAR38 CFL GREEN SUPRA LIFE INDOOR/OUTDOOR CFL FLOODLIGHT BULB ENERGY SAVING PAR38 BULB Reflector Green Color PAR38 Floodlight Compact Fluorescent Light Bulb 20 Watts replaces 100 watt incandescent or halogen bulbs 120 Volts, Medium Base, 5.1" Maximum Overall Length 10,000 Hours, Green Color Tone Save up to 80% Energy Usage over Incandescent or Halogen Bulbs