The most popular LED bulb in our store! This LED bulb houses 20 high output super bright 0.1W LEDs each producing 6 lumens of light. The total light output of this bulb matches a typical household 40W incandescent light bulb and uses only 2.5W of power. These LEDs are 3x as bright as those common LEDs found in other stores! That's why this 20 LED bulb produces 110~120 lumens total light output, which rivals typical 60 LED light bulbs, and cost less! The cool white (6000K) LED light is ideal where you wish for pure white day light illumination. These bulbs use LEDs that's rated for 50,000 hours. Save money! Replacing just one 40W household incandescent bulb with this highly efficient last almost forever LED bulb will save you $235 over it's lifetime (counting electricity cost and bulb replacement cost). The average CO2 emission of US residential electricity generation is about 1.34lb/KWH. Over the lifetime of this LED bulb, it will save 1875KWH of electricity and that's 2512.5 pounds of CO2 emission saved! Detailed Specifications: Socket: Most common household medium screw base (Edison E26) Volts: 120 Watts: 2.5 Lumens: 110~120 Equivalent Incandescent bulb wattage 40W LEDs: 20 pieces super bright high output 6 lumen LED Output: Accent Light, soft ambient lighting Size: 4.7" H x 1.7" Dia. Warranty: 2 Years Volume discount available!