... light source,optional: SMD5730.Wide Voltage (AC85-265V), broadband (50/60Hz) input, constant current drive, no flash, fast response ... the traditional halogen, incandescent energy saving 80%, compared with 50% energy saving lamp.No UV radiation, mercury and other ... -BSZ-BE2709W-BPower Dissipation3W5W7W9WInput Voltage(V)AC85-265 VFrequency(HZ)50-60 HZMaterialAL + PC coverAL + PC CoverAL + PC CoverAL + ...