Description:  Dimmable: YES;  Voltage: AC220V/110V;  Base fittings - E27;  Power Consumption: 4W;  Optical efficiency: 600lm;  LED filaments: 4 COB  Filaments;  Beam Angle - 360 degrees;  Size: 10.5*6cm(H*W);  Color temperature: Warm White: 2700-3000K ; Pure White: 6000-6500K;    Feature:  1. Significant product in LED lighting field;  2. Carrying on the classic appearance of traditional incandescent, close to life, retro feeling;  3. Using the latest technology LED filaments as light source, energy saving, environmental protection;  4. 360 degrees beam angle, light is in everywhere;  5. Using gas heat dissipation, lower filaments' temperature to prevent oxidation and extend the service life of LED light to most extent;  6. High color rendering index, RA> 80, excellent lighting effects, eye protection;  7. Using glass cover, 100LM light efficiency, light transmission rate of 100%;  8. Can directly replace traditional tungsten light bulbs, used in a variety of occasions in life or work;    Package include:  1x Filament bulb;