GE Lighting 64159 Energy Smart Bright from the Start CFL 15-Watt (60-watt replacement) 800-Lumen A19 Light Bulb with Medium Base, 2-Pack 60-watt replacement uses only 15-watts 800 lumens providing comfortable, inviting light 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