... Energy Saving Lamp 2U 3U 4U 8000hours life Competitive price high lumen output OEM accepted Energy Saving Lamp 2U Series--------- - ... -240V/50HZProduct ApprovalsCE,ROHS,ISO9001:2000 Energy Saving Lamp 3U Series Specification Wattage Available7W,9W,11W,13W,15W,18W, ... 220-240V/50HZProduct ApprovalsCE,ROHS,ISO9001:2000 Energy Saving Lamp 4U Series --------- - Specification Wattage Available9W,11W,13W,18W, ...