3W LED bulb use Epistar Chip >240 lm saving more energy Products characteristic: 1. Use high brightness , long life SMD LED, no light ... life, high load efficiency, and working stability. With open circuit, short circuit, over current and over voltage protection function. 4. ... 15000hours, is several times longer than incandescent lamp. 6. LED cold light source, less calorific value, not hot effect ...