This 11 Watt energy saving 2 Pin PLS Compact Fluorescent Lamp featuring a Cool White 4000K colour temperature is a very energy efficient lighting solution saving up to 80% in energy usage and costs. The 11W output of this lamp is the equivalent of a 40W incandescent bulb. PLS lamps are very popular lighting sources commonly found in office buildings and industry in residential and commercial buildings hotels restaurants bars retail and other similar applications.