Specifications: Voltage: 110-120V/220-240V Frequency: 50-60Hz Wattage: 5W, 7W, 9W, 11W, 13W, 15W, 18W, 22W, 23W, 25W Lifetime: 8000hrs Features: 1). Energy conservation, Small volumn, comfortable light, good color, high light effect, slight light fades and quickly-started. 2). Saving electricity with remarkable energy conservation effect, conserving 80% energy in comparing with the ordinary incandescent lamp. 3). Use the advanced electrical circuit design technology, using flame-resistant material, with highly effective radiation and insulation. 4). Sizes and wattages in a wide selection