Ceiling fan A15. Vibration resistant. 355 lumens. 1.4 year life (based on 3 hours use per day). Brightness: 355 lumens. Estimated Energy Cost: $4.82 per year. 1 year life (based on 3 hours use per day). Cozy, relaxing light. Rugged bulb construction withstands ceiling fan vibration. Made in Hungary. Brightness Quality: 355 lumens. Energy Info: $4.82 based on 3 hrs/day, 11 cents/kWh. Cost depends on rates and use. 40 watts. Package Info: 1. Bulb Info: Is Ceiling Fan Compatible. Screw. Medium. Bulb Life: 1.4 years based on 3 hrs/day. Bulb Appearance: 2700 k.