... 2U Energy Saving Lamp 1). Wattage: 5W,7W,9W, 11W, 13W, 15W 2). Voltage: 12V DC 3). Base type:E14,E27,B22 Features:2U Energy Saving ... compact as compared to standard ELT2. Fits most luminaries and especially where economical continuous lighting is needed3. Up to 75% energy saving ... .4. Ten times the lamp life of standard incandescent lamp5. Excellent color rendering, ...