Features:E27 to E27,Flexible LampBulb Adapter, EdisonscrewWith flexible gooseneck and With independent switch control is easily rotating 360 degreesThis adapter comes in a solid construction, hightemperature resistant, corrosion resistant and anti-burningSupports the use of lights up to 100W, adjustable angle, suitable for E27 interface lightIt is simple to install the bulb without any tools.Specifications:Item: E27 to E27 Light Bulb Socket AdapterColor:WhiteMaterial : Metal+ PBTfireproof materialLength:approx 20CM7.87in 30CM11.8in 40CM15.75in 50CM19.7in 60CM23.62inNote: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