Features: E27 to E27,Flexible LampBulb Adapter, Edisonscrew With flexible gooseneck and With independent switch control is easily rotating 360 degrees This adapter comes in a solid construction, hightemperature resistant, corrosion resistant and anti-burning Supports the use of lights up to 100W, adjustable angle, suitable for E27 interface light 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 60CM/23.62in 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 LampBulb Adapter