Features: Not only suitable for various E27 interface light bulbs, but also can be used as an interface for various high power electrical appliances, such as fans, heat lamps. The screw part is made from copper, which has good electrical conductivity and stable conductivity. It can work in a high temperature environment for a long time without being deformed or damaged due to high temperature. The design is simple and beautiful, and can be well integrated into modern houses or traditional decoration styles. The installation is simple, just connect the wire to the corresponding interface, and then screw the lamp holder into the ceiling lamp. Specifications: Component: Plastic and Metal Voltage: 250V Current: 6A Size: about 76x60mm/2.99x2.36inch Installation Hole Spacing: about 52mm/2.05inch Package Includes: 1pc E27 Bulb Holder note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.