Features: E27 adapter function: This product can convert E27 socket to another, making it convenient to connect different types of lamp or bulbs. with switches: With switches function, it can easily control the light without the need to plug in or unplug the power supply. Conversion extension function: Provides a certain length of extension, allowing lamp to be installed and used more flexibly, suitable for some scenario that require extension. tube: It can be freely rotated and adjusted by 180, providing larger ranges of lighting angled that can be adjusted as need. materials: are usually used to ensure stability and durability, extending the service life of the product. Easy to installs: The installation process is simple and fast, requiring no professional skills, and users can easily complete the installation. Specifications: Materials: ABS Size:14.2x3.7x3.7cm/5.59x1.46x1.46inch Note: Please allow 0-1cm error due to manual measurement.make sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item. Package includes: 1PC E27 Light Bulb Socket Adapter