Coolknight Retro style A50-4w LED filament bulb 40w equivalent E26base warm white non-dimmable LED light bulb (4w=40w(2pcs)) 4 watts replaces the standard 40-watt incandescent light bulb,the best saving LED light bulb Retro style LED bulb,360degree beam angle,warm white light color,brightness and not dazzling Durable in use LED light bulb,buy more save more,energy saving up to 90%,economic and practical Green and environmental protection: mercury,no UV and no flicker,use more at ease Extremely long lifetime,brand new and high quality,use more durable.