40 W. Brightness: 260 lumens. Estimated Energy Cost: $4.82 per year. 1.4 year life. Indoor. Dimmable. These lamps comply with federal energy efficiency labeling requirements. Quality Guarantee: If you are not 100% satisfied, return our product for a full refund. www.besimplydone.com. Scan for more information or call 1-888-423-0139. Made in China. Brightness Quantity: 260 lumens. Energy Info: $4.82 Based on 3 hrs/day, 11 cent/kWh. Cost depends on rates and use. 40 Watts.. Package Info: 1. Bulb Info: Indoor. Is Dimmable. Screw. Bulb Life: 1.4 years Based on 3 hrs/day.