Energy Saving - Replace a 40W Tungsten light bulb by a 4W LED, save electricity bill compared to traditional light bulbs. Better than Conventional LED Bulbs - The LED filament technology offers a 360 degree beam angle light pattern which the ordinary LED bulbs can't. Dimmable - Smooth dimming capabilities from 100-20 percent with modern LED dimmers provides the proper look and feel to your living room, dining room and bedroom. Long Lifetime - With an astonishing life rating of 25,000 hours, or 13.6 years with 5 hrs or day of use. Easy to Install - Standard candle shape with candelabra screw base (E12). Suitable for chandeliers, Wall sconces, outdoor lanterns, ceiling fixtures and pendant lighting, and for home decoration, multiple places you'd like to decorate with. Specifications: Color: Cool White 2700K Luminous Intensity: Dimmable: Dimmable Input Voltage: 220V Beam Angle: 360 degree Life Span: 30000 hours(more than 27 years based on 3hrs or day average) Eco-Friendly:No lead or mercury. Shockproof and vibration proof. CRI:80