The onboard 40PINGPIO interface and standard CM4 connector support access to Compute Module 4 Lite/eMMC series core boards.Equipped with CSI//FAN//USB/RJ45 Gigabit Ethernet port/-SD card/M.2 and other interfaces, it is more convenient to use.For CM4 basic expansion board (type A), it is convenient to learn and evaluate the For computing module or directly integrate it into the product.Powerful functions, mini size, only the size of a bank card.Although the board is small, it has all the internal organs.Product name: Expansion boardModel: CM4-IO-BASE-AInterface: CSI//FAN/-compatible/USB/RJ45 Gigabit Ethernet/-sd card/M.2Working voltage: 5V supply current: 3APurpose: dedicated base plate for computing modulecolour:BlueMaterial:PCBsize:85 x 56mmPackage Contents:1 x Expansion Board1 x ScrewOnly 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.