Globe Electric 00297 23-watt Enersaver Dimmable T3 Soft White, CFL Medium Base Light Bulb, 100-watt Equivalent T3 CFL medium base light bulb This light bulb uses only 23 watts of energy with an equivalent wattage of 100 watts Lifespan of 10, 000 hours Light output of 1600 lumens Fully dimmable