Brightness Quality: 850 Lumens. Energy Info: $6.38 based on 3 hrs/day, 11 cents/kWh. Cost depends on rates and use. 53 Watts. Package Info: 4-Pack 4 Bulb Info: Halogen Both Is Dimmable Bulb Life: 0.9 Years based on 3 hrs/day. Bulb Appearance: 2775 Kelvins. Misc: A19. 75W uses only 53W. Brightness: 850 lumens. Estimated Energy Cost: $6.38 per year. 0.9 year life. 28% savings in energy use (53W bulb uses less energy than a 75W incandescent bulb). Dimmable. Indoor/Outdoor. These lamps comply with federal energy efficiency labeling requirements. www.besimplydone.com. Quality Guarantee: If you are not 100% satisfied return our product for a full refund. Made in USA.