ES Light Bulb Socket E27 to E40 LED Base Screw Lamp Bulb Adapter Converter White Allows E14 bulb to be used with E27 lamp socket Items are made of metal and heat resistant PBT plastic (polybutylene terephthalate, [C12H12O4]n, melting point 200C, plasticity at 125C). All items below meet European electrical regulations and have CE certification. Allows to use light bulbs of other type than original lamp design.BC to E27 adaptor (E27 Screw To E40 Screw) Dimensions : 83mm*48mm (3.27*1.89").Rated Current : 6A.Rated Voltage :220V.Case Material PBT Package Contents:1 x E27 to E40 Lamp Socket Converter