3 In 1 E27 to E27 LED Lamp Bulbs Socket Splitter Adapter Holder For Photo Studio Allows E27 bulb to be used with Four E27 lamp socket.BC to E27 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 : 113mm*117mm (As Picture).Rated Current : 6A.Rated Voltage :220V.Case Material PBT Package Contents:1 x 3 In 1 E27 to E27 Lamp Socket Converter