ENERGY EFFICIENCY - Standard A19 shape, 9W LED bulb consumption to produce 806 lm with color temp soft white (2700k) , 60W incandescent equivalent, save up to 82% on your energy cost, . HIGH QUALITY - Excellent performance, no flicker, no buzzing, can be used for about 13. 6 years based on using 3h/day, more than 10 times longer than traditional halogen bulbs. FITS AMERICAN E26 MEDIUM BASE - Standard American E26 medium base fits universal existing American E26 base and screw in the light fixtures directly. AUTHENTICATED - free from Mercury and UV radiation. Carefully designed by using the top quality materials. 2 YEARS - We provide high quality, safety energy saving certification.