... Products characteristic: 1. Use high brightness , long life SMD LED, no light harm. 2. Power efficiency>70% CRI>70% ... long life, high load efficiency, and working stability. With open circuit, short circuit, over current and over voltage protection function. 4. Low consumption, ... 15000hours, is several times longer than incandescent lamp. 6. LED cold light source, less calorific value, not hot effect ...