Features: E27 to E27,Flexible Lamp Bulb Adapter, Edisonscrew is easily rotating 360 degrees With flexible gooseneck is easily rotating 360 degrees This adapter comes in a solid construction, hightemperature resistant, corrosion resistant and anti-burning You can install two or more that makes cable longer if needed It is simple to install the bulb without any tools. Specifications: Item: E27 to E27 Light Bulb Socket Adapter Color: White Material : Metal+ PBTfireproof material Length:approx 20CM/7.87in 30CM/11.8in 40CM/15.75in 50CM/19.7in Note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment. Package includes: 1PC Lamp Bulb Adapter