Feature:1. USB M Key Interface: This CM4 Duino expansion board with HD multimedia interface USB M Key interface.2. CM4 Connector: The standard CM4 connector connects to the Compute Module 4 Lite, EMMC series mainboard.3. Multiple Ports: This computer module 4 expansion board has 1 x USB2.0 Type A interface, 1 x MIPI CSI 2 interface, and Micro storage card slot.4. 4K 30fps OutPut: For RasPi Expansion Board has 1 x HD multimedia interface that supports 4K 30fps output.5. Stable Performance: This For RasPi CM4 Duino board adopts 5V power input, easy to install.Specification:Item Type: CM4 Duino Expansion BoardMaterial: Printed Circuit BoardCM4 Card: for All Versions of Compute Module 4Connector: M.2 M Key, Which Supports Communication Modules, NVME SSDs, and Duino gplc InterfacesUSB: USB2.0 Type A Port x 1Camera: MIPI CSI 2 Interface x 1(15pin 1.0mm FPC Connector)Video: HD Multimedia Interface Interface x 1, Support 4k 30fps OutputStorage: Onboard Micro Storage Card Slot (for Versions Without eMMC)Power Input :5v.Package List:1 xCM4 Duino Expansion Board Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.