Compact Fluorescent Lamp (CFL) offers a compact, energy efficient alternative to incandescent & standard linear fluorescent products. The CFL design features soft white (2700 Kelvin) energy saver & uses 75 percent less energy. Spiral-shaped, 23-watt 23MLS / 827 bulb offers the equivalent of at least 90 watts & a 10,000 hour life. 120 volts.