2U Energy Saving Lamp 1). Wattage: 5W,7W,9W, 11W, 13W, 15W ... : 12V DC 3). Base type:E14,E27,B22 Features:2U Energy Saving Lamp1). Wattage: 5W,7W,9W, 11W, 13W, 15W2). Voltage ... luminaries and especially where economical continuous lighting is needed3. Up to 75% energy saving.4. Ten times the lamp life of standard ...