A19 bulbs. 75 w. Inviting. Comfortable. Friendly. Replaces 75 w uses 12 w. Non-dimmable. Brightness: 1100 lumens. Estimated Energy Cost: $1.44 per year. Lasts 10 years (LED lamp lifetime is defined as the number of hours when 50% of a large group of identical lamps reaches 70% of its initial lumens). Indoor/Outdoor (May only be used in an UL - approved outdoor fixture). 15,000 hours (LED lamp lifetime is defined as the number of hours when 50% of a large group of identical lamps reaches 70% of its initial lumens). C/UL/US listed. www.sylvania.com. 1-800-LightBulb (1-800-544-4828) www.sylvania.com (US & Canada). Made in China. Brightness Quality: 1100 lumens. Energy Info: $1.44 Based on 3 hrs/day, 11 cents/kWh. Cost depends on rates and use. 12 watts. Package Info: 4. Bulb Info: LED. Both. Bulb Life: 10.0 years Based on 3 hrs/day. Bulb Appearance: 2700 k.