... LED bulb light 1. 3w ,high power ,aluminum 2. lifespan > 50,000h 3. energy saving>80% 4. high quality .low E27 high power ... :MORE THAN 50,000HOURSFeatures:low heat ,no UV or IR light radiationcolors:white(2700-6500k)base:E27color index:Ra75power factor:98 ... chromatism,long life span for over 40000hours .less than 6%light attenuation within 5,000hours running ,50,000hours lifespan .excellent heat ...