Features: Ultra-bright Led Design. LED Bulb,no VU and IR radiation. Long Service life,high luminous efficiency. Energy Saving,low heat and lower power consumption. Great Reducing carbon emission,environmentally friendly,Light weight,easy to install,safe and reliable. With traditional incandescent lamp design,it can be easily accepted by common people. Being filled with a special gas,heat inside the vaccum treated filament bulb can be effectively ruled out. With 360 degrees beam angle,the filament bulb can give out light omnidirectional. Adopting IC constant current driver,the filament bulb possesses stable performance and longer life. Does not contain lead,mercur and other pollution elements. Home Lighting,Home Theater,Studio,Private Club,Entertainment Lighting,Architectural Lighting,Ad Lighting,Restarants,Hotels,Display Scene,Artwork. Lighting,Landscape Scene,etc. Advantage: 1.High performance COB EPISTAR chip,super brightness,high color rendering index. 2.Replace traditional incandescent tungsten,glass lamp,high light transmission. 3.The lighting efforts close to the traditional lighting sources,highlighting the classical atmosphere. Specifications: Socket: E27/E26 T10. Power: 4W. Voltage: 110V. Lumen: 4W: 400LM. Color Temperature: Pure White 6000-6500K/Warm White 3000-3500K. Beam angle: 360 degree. Lifespan: >20,000hrs. Size DxH): 35mmx170mm. Package included: 1x Led bulb