UL listed. www.sylvana.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. Package Info: 4-Pack. Bulb Info: LED. Both. Screw. Bulb Life: 10.0 years based on 3 hrs/day. Bulb Appearance: 3500 k.