Globe Electric 8 watt omni directional a type dimmable soft white, LED medium base light bulb, 40w equivalent is an energy star approved light bulb that has an instant on feature and much more. This long life LED bulb uses 5W of energy but produces 40W of light and is extremely energy efficient. Lighting Facts; Brightness: 460 lumens: Estimated yearly energy cost (Based 3hrs/day, 11¢ KwH Cost depends on rates and use): $0.96, Life (Based on 3 hrs/day): 22.8 Years, Light Appearance: 3000 kelvin, Energy Used: 8 watt