... , High-grade and attractive appearance; Standard lamp holder E27 lamp holder, To facilitate the installation and replacement.2,Efficient and energy saving:Led ... of 5W LED light bulb is equivalent to 60W incandescent lamp, energy saving rate is as high as 90%, LED ... ordinary incandescent lamp’s life, when 3000 hours attenuation<3%, and 40,000 hours attenuation<30%. So avoid the frequent replacement of ...