Features 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 Board Material: Printed Circuit Board CM4 Card: for All Versions of Compute Module 4 Connector: M.2 M Key, Which Supports Communication Modules, NVME SSDs, and Duino gplc Interfaces USB: USB2.0 Type A Port x 1 Camera: MIPI CSI 2 Interface x 1(15pin 1.0mm FPC Connector) Video: HD Multimedia Interface Interface x 1, Support 4k 30fps Output Storage: Onboard Micro Storage Card Slot (for Versions Without eMMC) Power Input :5v Package List 1 x CM4 Duino Expansion Board