Features: The Compute Module 5 Base Expansion Board features onboards 40pin GPIO and a standard CM5 connector, providing stable connection and expansion for RPi Compute Module 5 series. Small size designing and multiple interfaces, this board ensures easy installation and enhances usability for various development projects. For electronic engineers, programming enthusiasts, educators, and project developers reliabled and versatiled hardware solution. Perfectly for device prototyping, development, and educational training experiments, offering seamlessly integration into diversed applications. This expansion board guarantees durability and highly performs making it essential tool Specifications: Item：Compute Module 5 Board Size:about 85x56mm/3.35x2.2inch Component: Connection 40Pin GPIO Package Includes: 1PC Compute Module 5 Board note: Due to problems of lighting effect there will be certain tolerances in product, please understand. Please allow 0-1cm error due to manual measurement.