... certificated and RoHS compliantWarranty 3 years BASE HOUSING : Led bulbs Feature:1,The attractive appearance:LED bulb be with The ... lamp holder E27 lamp holder, To facilitate the installation and replacement.2,Efficient and energy saving:Led bulb , Efficient constant- ... 40,000 hours attenuation<30%. So avoid the frequent replacement of bulbs, and also reduce the cost of maintenance and management. ...