ZZ Lighting 4W LED Dimmable Filament Long Lasting Vintage Bulb 40W Incandescent Bulb Equivalent 2700K 320LM E26 Base(4W,3Pack) TECHNICAL FEATURES - Dimmable,AC 110V,with overload protection,short circuit protection and over temperature protection. WARM WHITE LIGHT - 2700K warm color is close to the sunset color, can turn the room into antique atmosphere instantly. UNIQUE DESIGN - makes the cool LED lighting product into a beautiful decoration, combined with modern LED filament inside with traditional Edison bulb, ultra-thin glass shell with high transparency supplied you 360beam angle glow and great heat dissipation. ECO-FRIENDLY - LED bulbs is green and eco-friendly without mercury, no UV and IR radiation. Stable verified power supply won't have noise sound from dimmer. BUY MORE SAVE MORE - LED bulbs can replace incandescent bulbs prefectly, much more durable, can last average 3,000 hours effectively with less than 5% luminous decay per year, help save over 80% electricity bills and exchange fee, 12 monthes warranty.