... factory2) Power available: 6W,12W,18W,20W,24W,30W,36w3) Energy saving>65%4) Voltage: 85-264V 5) Material: Metal ... brightness, long life and less heat2) Self-developd constant-current power for power supply circuit greatly improve the stability of our products ... in AC90-265V environment8) Reliable protection design, free from over-current, over-voltage, short-circuit, and overload risks9) No Mercury ...