Energy saving lamp 1.voltage:110-240V 2.Average life span:3000-10000hours 3.Base:E27/B22 4. 2U,3U,4U, half&full spiral CFL Energy saving lamp1.voltage:110-220V 2.Average life span:3000-10000hours 3.Base:E27/B224.Type: 2U,3U,4U, half&full spiral5. Great price and fast delivery6. Plastic: PP, PC, PBT7.Packing: by color box or blister packing 8.Production line for energy saving lamp: