Features: Expansion Function: This expansion card is specifically designed for IO-BASE-MINI mini motherboard, providing additional expansion interfaces and functions, allowing users to more flexibly connect and use other devices and modules Strong Compatibility: The product is fully compatible with IO-BASE-MINI mini motherboard, ensuring seamless usage and simplifying the mounting and configuration process for users Multiple Interfaces: Expansion card offers various common interfaces such as USB, HDMI-compatible, Ethernet, etc., making it convenient for users to connect external devices, screens, networks, etc. Compact Design: The product has a compact design, perfectly combined with IO-BASE-MINI mini base plate, without adding too much volume and weight High-Quality Material: Expansion board is made of high-quality materials with excellent durability and stability, functioning reliably for a long time Specifications: Material: PCB + metal Size: Mixed Type: IO-BASE-MINI expansion card Note: Due to issues with lighting effects and photography angles, there may be some tolerances in the product, please understand Allow 0-1 cm error due to manual measurement Packaging Includes: 1PC IO-BASE-MINI expansion card