Globe Electric 23 watt Enersaver soft white, CFL medium base light bulb, 100 W Equivalent, 2 pack provides the same light as a normal soft white bulb while using much less energy. This T2 CFL light bulb lasts up to 10 times longer than an incandescent light bulb and they save you money in energy costs while being environmentally friendly. Lighting Facts; Brightness: 1600 lumens, Estimated yearly energy cost (Based 3hrs/day, 11¢ KwH Cost depends on rates and use): $2.77, Life (Based on 3 hrs/day): 11 Years, Light Appearance: 2700 kelvin, Energy Used: 23 watts.