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 switch Material: PBT shell metal electronic part Rated Voltage: AC 100V-230V. Plug options: EU plug, UK plug, US plug Total length: approx. 20 cm / 7.9 inch Weight: approx. 65g The 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