GE Lighting 64163 Reveal Bright from the Start CFL 15-Watt (60-watt replacement) A19 Light Bulb with Medium Base, 2-Pack 60-watt replacement uses only 15-watts Lasts 7.3 years based on 3 hours per day usage Estimated yearly energy costs $1.81 based on 3 hours per day $0.11 per kWh $39 in energy savings over the life of the bulb based on 3 hours per day usage A19 shape with medium base for use in table lamps and enclosed fixtures