... life Competitive price high lumen output OEM accepted Energy Saving Lamp 2U Series--------- -SpecificationWattage Available3w,5w,7w,9w, ... & 220-240V/50HZProduct ApprovalsCE,ROHS,ISO9001:2000 Energy Saving Lamp 3U Series Specification Wattage Available7W,9W,11W,13W,15W ... ,ISO9001:2000 Energy Saving Lamp 4U Series --------- - Specification Wattage Available9W,11W,13W,18W,23W,26W,30W,32W,35WDiameter of ...