Features:Suitable for LED, halogen, CFL smooth bulb lamp to install,safe to apply temperature resistant:Type:E27 Lamp BaseSize: 1*2/4*5: WhiteMaterial:PBTContact: CopperModel:US/EU plugRated Voltage:100-240VRated Current:4AThermal Resistance:160℃Package Includes:1x E27 Lamp BaseNote:Please allow 1-3mm measuring deviation because of guide measurement to different computer screen and lightweight effect,the actual coloration of the object is probably slightly varied from the color proven at the photographs you!