On-board 40PIN GPIO interface and standard CM4 connector, supports access to Compute Module 4 Lite/eMMC series motherboardsRS485/RS232, 4-way USB 2.0 interface, PoE over Ethernet support, MIPI display interface, MIPI CSI camera interfaceSuitable for applications with multi-function peripheral requirements or other industrial applicationsCM4 card holder: Suitable for all versions of Compute Module 4Networking: Dry Ethernet RJ45 interface, integrated 802.3af network standard PoE circuit (5V/2.5A)Connectors: 40PIN GPIO interface, non-isolated RS485, non-isolated RS232 , PCle Gen 2 x 1USB: USB 2.0 Type A interface x 4Display: MIPI interface x 2 (15pin 1.0mm FPC connector)Camera: MIPI CSI-2 interface x 2 (15pin 1.0mm FPC connector)Video: -compatible interface x 2, supporting 4K 30fps outputReal Time Clock: Real Time Clock with battery interface and the ability to wake up Compute Module 4Storage: On-board -SD card slot (for versions without eMMC)Fan interface: adjustable speed, speed measurement, 5V/ 12VPlug Type: US Plug, it applies to Canada, India, Mexico, Thailand, Taiwan, the United States, the Philippines and so on. input: 5VDimensions: 124.5 x 108.8mmColour:blue+blackMaterial:PCBPackage Contents:1 x Expansion Board1 x Case1 x AdapterOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.