E27 to MR16 LED Light Lamp Bulbs Socket Base Cap Converter Adapter Holder 1pcs Allows E27 bulb to be used with MR16 lamp socket.BC to MR16 adaptor 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 Dimensions : 40mm*29mm (1.57*1.14").Rated Current : 6A.Rated Voltage :220V.Case Material PBT Package Contents:1 x E27-MR16 Lamp Socket Converter