A half spiral-shape energy saving light, with optimal light distribution. It is available in 20W, 23W, 26W, with lumen equivalence of 100W to 150W incandescent light bulb. It is also available in three color temperatures: warm white (2700K), natural white (4000K) and cool daylight (6500K). It is available in both 220-240V and 110-130V and able to operate under a wide voltage range (Power supply fluctuation). It consumes up to 80% less energy than the incandescent light bulb and lasts for 3 years.