2U Energy Saving Lamp 1). Wattage: 5W,7W,9W, 11W, 13W, 15W ... DC 3). Base type:E14,E27,B22 Features:2U Energy Saving Lamp1). Wattage: 5W,7W,9W, 11W, 13W, 15W2). ... economical continuous lighting is needed3. Up to 75% energy saving.4. Ten times the lamp life of standard incandescent lamp5 ... voltage: 220-240V/50Hz , 110-130V/60Hz 2U Energy Saving Lamp Verified Information This information is Verified by TÜV ...