Product name: CM4 expansion boardModel: CM4-IO-BASE-CCM4 deck: suitable for all versions of Compute Module4Networking: Gigabit Ethernet RJ45 interfaceConnector: M.2 M KEY, support communication module or NVME SSD, for 40PIN GPIO interfaceUSB: USB2.0 Type A x 2Display: LCD interface (40pin 0.5mm FPC connector)Camera: MIPI -2 interface x 2 (15pin 1.0mm FPC connector)Video: -compatible interface, support 4K 30fps outputReal Time Clock: real time clock with battery interface and ability to wake up CM4Storage: Onboard Micro-SD card slot (for versions without eMMC)Fan interface: adjustable speed, 5VPower input: 5VSize: 85 x 56mm (for size)Depending on the batch, there may be differences in product appearance, color, and printed text, which will not affect use.Material: PCBcolour: bluePackage Contents:1 x CM4 expansion boardOnly 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.