Brightness Quality: 1610, 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: 9.1, Years, Based on 3 hours use per day. Bulb Appearance: 65000, Kelvins. Misc: 1 general purpose CFL bulb. A smart way to save energy. Fresh, energizing light. 100W replacement. $81 energy savings per bulb (Electricity cost savings based on rated life of 10,000 hrs compared to thirteen 100 watt Soft White incandescent bulbs (rated life 750 hrs)). Electricity savings based on 11 cents per kilowatt hour). Limited Warranty: Guaranteed to last 5 years based on rated life at 3 hours consumer use per day. Visit us on the internet: www.GELighting.com. UL listed. Made in China.