Globe Electric 00501 9-watt Enersaver Vanity Light with  CFL Medium Base Light Bulb and 40-watt  Equivalent, Soft White, 3-Pack Light output for this Vanity bulb is 500 lumens This CFL bulb has 10,000 hours life expectancy This CFL light bulb is energy star certified This CFL light bulb uses only 9 watts of energy with a 40 watt equivalent output 9 Watt CFL light bulb