This product is a socket between the adapter and E27 lamp, suitable for simple table lamp, wall spotlight, desk lamp.Functions:Flexible lamp extension 20 cm E27 On / Off switch EU plug.EU Plug, UK Plug, US Plug (Optional).A very popular bulb holder, it can be used wherever there is a holder.Light and delicate. You can adjust the direction because the neck is adjustable.Specifications:Type: US, European, British plug to E27 with on / off switchMaterial: PBT shell metal electronic partRated Voltage: AC 100V-230V.Plug options: EU plug, UK plug, US plugTotal length: approx. 20 cm / 7.9 inchWeight: approx. 65gThe package includes:1 x bulb to lamps adapter converter (not include the bulb)1.2.Please be aware of:Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-dadangjia