This 4 Pin 2G7 base PLSE Compact Fluorescent Lamp is the perfect alternative to an energy hungry incandescent or halogen bulb. The output of this 11 Watt lamp is the equivalent of a 40W incandescent bulb. The Daylight Colour Temperature is ideally suited to applications where the recreation of daylight is necessary. This lamp offers a 10,000 hour lamp life an savings of 80% on energy usage.