2U Energy Saving Lamp 1). Wattage: 5W,7W,9W, 11W, 13W, 15W 2). ... : 12V DC 3). Base type:E14,E27,B22 Features:2U Energy Saving Lamp1). Wattage: 5W,7W,9W, 11W, 13W, 15W2). Voltage: 12V ... 75% energy saving.4. Ten times the lamp life of standard incandescent lamp5. Excellent color rendering, excellent light distribution.6. Flicker free instant ...