Feature: 100% nd new and high quality It can convert E27 base to the power socket that can be plugged into a common 2-pin plug It is used to connect your E27 lamp socket for US or EU plug Suitable for Home and Studio daylight bulbs in photographic use Description Material:ABS+Metal+Electronic Component Color:As picture shown Size:5*3.8cm/1.94*1.49in Package Included:1 x Lamp socket Note 1.Our size are Asian Size，1-2 size smaller than euro size，please choose your size according to the size chart. 2.Due to the hand measurement， there have size error about 1-2 cm.Item color displayed in photos may be showing ightly different