Features: The B22 to E27 extended lamp holder adapter can convert B22 to E27, offering increased flexibility. Supports up to 100W and can rotate 360 degrees. Perfect for installation in photography rooms, living rooms, kitchens, and other places. Quality flame retardant PBT material, with good flame retardancy, fire resistance, safety, and durability. Suitable for various E27 interfaces LED lights, incandescent lights connected to B22 interfaces for use. Specifications: Material: Flame Retardant PBT Metal Material: Copper Nickel Plating+Copper Conductive Sheet Color: White+Silver Extender Length: 10cm, 20cm, 30cm, 40cm, 50cm (optional) Middle Rod Length: Approx. 9cm/3.54", 19cm/7.48", 29cm/11.41inch, 39cm/15.35inch, 49cm/19.29inch Voltage: 100-230V Package Includes: 1 Piece B22 to E27 Extended Lamp Holder Adapter note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.