Turn any bedside lamp, hallway, ceiling light, reading light and track light into an energy efficient light! These standard medium screw (E26) base 2.5" diameter LED PAR20 spot/flood light bulb use 60 pieces of super bright LEDs to produce as much light as a standard 40W household incandescent light bulb. You can replace any standard screw bulbs in your household and save not only electricity, but also the hassle to replace bulbs in the future because these bulbs virtually last forever! These bulbs use LEDs that's rated for 50,000 hours, which translates into 17.2 years of usage if you keep them on 8 hours a day, 365 days a year. There are 6 colors to choose from! Cool white has a color temperature of 6000K, looks like a cool white fluorescent tube and is suitable for places you wish for maximum illumination and day light colors. Warm white (2800K) looks like incandescent light bulb and gives you a cozy warm feeling. In addition, Red, Orange/Yellow, Blue and Green light bulbs are popular for those who wants to add colorful accents. Save money! Replacing just one 40W household incandescent bulb with this highly efficient last almost forever LED bulb will save you $362 over it's lifetime (counting electricity 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 1850KWH of electricity and that's 2479 pounds of CO2 emission saved! Detailed Specifications: Socket: Standard common household medium screw base E26 Volts: 110~120V Watts: 3.3 Lumens: 90~100 Equivalent Incandescent bulb wattage 40W LEDs: 60 pieces of super bright LED Output: Spot light, reading light, track light, Warm White (2800K) color Size: 3.2" H x 2.5" Dia. Warranty: 2 Years Volume discount available!