... ,ISO approved 2)8000 hours 3)Base Type:E27 Full-Spiral Energy Saving Light More compact structure, cuter appearance High light ... lamp 2U, 3U, 4U,6U tube are available Specifications:Optional wattage: 3-150W Operating voltage: 110 to 130V or 220 to 240V ... lamps, pendent lamps, supermarkets, restaurants, farms, hotels ,underwater etc. Full-Spiral Energy Saving Light