Features: CM4 Mini IO expansion board is the perfect solution to expand RaspberryPi capabilities! Made from durable plastic and metal materials, this expansion board is built to last. For tech enthusiasts, makers, and developers to quickly and easily build a mini computer. Use it to connect additional peripherals, sensors, or displays to your RaspberryPi, or even create custom projects and prototypes. With simple plug-and-play installation and compatibility with popular operating systems like Raspbian, this expansion board is a must-have for any serious RaspberryPi user. Specifications: Item: CM4 Mini IO Expansion Board Material: Plastic and Metal Size: as pictures Package: CM4 Mini IO Expansion Board/ CM4 Mini IO Expansion Board with Case Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color shown on the pictures. Thank you! Please allow 1-2 cm measuring deviation due to manual measurement Package includes: 1 pc CM4 Mini IO Expansion Board