LED A15. 40w. Nearly as bright as a 40w bulb. 4w energy used. Last 9 years (Based on 3 hours per day use). Ceiling fan. Dimmable. LED bulb. Brightness: 320 lumens. Estimated Energy Cost: $0.48 per year. LED Bulb: Long life/low energy. Product Features: Worry-free use and disposal. A15 shape and size. Mercury Free. LED Lamp. Limited Warranty: 3 year. See back for details. Limited Warranty: Guaranteed to last 3 years based on rated life at 3 hours use per day at 120V. If this bulb does not last for 3 years (based on 3 hours per day/7 days per week) return bulb, proof of purchase and your name and address to GE Lighting, a Savant company, Product Service Dept. 1975 Noble Road, Cleveland OH 44112 for a replacement. Bulb Replacement is Savant Technologies LLC's Sole Warranty Obligation and Incidental and Consequential Damages Are Excluded. Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above exclusion may not apply to you. This warranty gives you specific legal rights and you may also have other rights which vary from location to location. C/UL/US listed. www.gelighting.com. Dimming performance may vary. Go to: gelighting.com/dimming for more information.