BWL Led bulbs, A21, 15 Watt (100 Watt Equivalent), 5000K Daylight, 250&deg;-Beam Angle,1500 Lumens,UL-Listed,Energy Star, 4-Pack ENERGY SAVING - Replace 100W traditional incandescent light bulb by 15W led bulb, Save over 85% on Electricity Bill of Lighting. Save up to $140.29 over the life of the bulb ENVIRONMENTAL PROTECTION - Aluminum and PC construction with High Transmittance, Mercury-free, No UV, and UL-Listed EXTREMELY LONG LIFE - The BWL a21 led bulb is 15W, 1500 lumens, 80 CRI, 25,000 hours average rated life. One bulb almost can use 22.8 years, as long as you dont break it CONVENIENT REPLACEMENT - BWL a21 led bulb using a conventional E26 base, Suitable for living rooms, bedrooms, kitchens and hallways in your table and floor lamps, pendant fixtures or ceiling fixtures 5-YEAR WARRANTY - BWL's A21 bulbs has pass UL Certification; We provide 5-year after-sales service ;Please felling free to contact us for any problem