This PLL Compact Fluorescent Lamp is an efficient reliable and durable lighting solution and very energy efficient. This 4 Pin 2G11 bulb is rated at 36 Watts (150W Equivalent) the perfect alternative to a standard incandescent or fluorescent lamp. This Cool White 4000k lamp offers savings of up to 80% in energy usage compared to an incandescent and an impressive 8000 hour lamp life.