Features:E27 to E27,Flexible Lamp Bulb Adapter, Edisonscrew is easily rotating 360 degreesWith flexible gooseneck is easily rotating 360 degreesThis adapter comes in a solid construction, hightemperature resistant, corrosion resistant and anti-burningYou can install two or more that makes cable longer if neededIt is simple to install the bulb without any tools. Specifications:Item: E27 to E27 Light Bulb Socket AdapterColor: WhiteMaterial : Metal+ PBTfireproof materialLength: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