This Utilitech Twist 2700K (15 Watt) CFL Dimmable Light Bulb has an astounding 8000 hours of life, giving you great lighting for a room for a long while! It saves the consumer a bit of money in the lifetime of bulb costs yet projects a very bright 1025 lumens. The lightbulb even received an energy star! It's suitable for lighting up the indoors or any enclosed environments. One warm soft white colored CFL twist bulb comes packaged in a square box.