Brightness Quality: 1650 Lumens. Energy Info: $3.13 Based on 3 hrs/day, 11 cents/kWh. Cost depends on rates and use. 26 Watts. Has Energy Star Logo Is Energy Smart Package Info: 1 Bulb Info: CFL Bulb Life: 11 Years Based on 3 hrs/day. Bulb Appearance: 2700 Kelvins. Misc: 1 soft white instant on general purpose CFL bulb. Uses only 26 W. 100W replacement. 11 year life (Based on 3 hours use per day). Brightness: 1650 lumens. Estimated Energy Cost: 3.13 per year. $97 Energy Savings per bulb (Electricity cost savings based on using the bulb for 12,000 hr rated life at 11 cents per kilowatt hour compared to sixteen 100 watt Soft White incandescent bulbs (rated life 750 hrs). Provides nearly the same light output [1650 lumens vs. 1690 lumens]). Energy Star. Limited Warranty: Guaranteed to last 6 years based on rated life at 3 hours consumer use pre day at 120 V (Details on the inside of this package). Visit us on the internet www.GELighting.com 800-GE-Light. UL listed. Self-ballasted lamp. Made in China.