3U Energy Saving Lamp Product Description3u energy saving lamp 110-130V, 220-240V, 5W, 7W, 9W, 11W, 13W, 15W, 20W, 23W, 26W Tube diameter: 7mm, 9mm, 12mm Base type: E14, E27, B22 Features: Saves up to 80 % of energy compared to an incandescent bulb Extremely high number of switching cycles Easy to install by Edison Socket or bayonet socket (B22) Low temperature and low voltage start Extremely ...