for CM4 I0 board is designed to simplify the use of for CM4 for new product development. It is applicable to the evaluation and prototype design of new products. It can be used as a reference design to connect external equipment to for CM4 or directly embedded in the final product. Faster eMMC Flash storage, up to 100 MBytes/s data rate, which is four times faster than the CM3+ Dual interface, resolution up to 4K for CM4 IO Expansion Board Make the appearance smaller, suitable for integration into the product. Material:PCB colour:Green Package Contents: 1 * Expansion Board Only the above package content, other products are not included. Note: Light 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.