Greenlite Lighting 5W/TT/2P 5-Watt Twin Tube Plug-In 2-Pin CFL Lamp, Soft White 5-Watt Twin Tube Plug-In 2-Pin CFL Lamp Uses 75-Percent less energy 1 Greenlite bulb equals 10 standard incandescent bulbs Instant start, flicker free 27K color temperature is closest to the incandescent light color