... Hg,Pb and other pollution elements.3.High quality & efficiency LED light source,we choose import high brightness semi-conductor chip ... -saving effect, save energy by 50-70% comparing with traditional lamps. 5. Good color rendering index. All kinds of light color ... heat dissipation. This ensures 50, 000 hours lifespan for the LED. 7.Constant voltage control,apply to voltage AC85V-265V,overcome ...