Features: CM4_Tiny 2 HDMIcompatible Expansion Board is expansion board based for CM4 board for applications such as player, screen display, images and video capture, human-computer interaction, remote controls, . The CM4_Tiny 2 HDMIcompatible expansion board two standard HDMIcompatible interfaces, which can be used to output different content to two display devices and support 4K output. At the same time, it gigabit Ethernet USB host Port, and also reserves a 22pin 0.5mm Camera Interfaces, which can be used to connect various cameras for images and video acquisition and processing. In addition, there is a GPIO pin with a spacing of 2.54mm and 2x6, which contains I2C, UART, and can be used for conventional expansion. The CM4_Tiny 2 HDMIcompatible expansion board USB C power supply 5V3A. Expansion board hardware Interfaces :A Gigabit Ethernet Interfaces. Two standard HDMIcompatible interfaces, supporting 4K output. One way USB host Interfaces (optional A to A cable can be used to burn the eMMC version board through this host Interfaces). One camera Interfaces, 22pin0.5mm spacing, optional 1mm 15p to 0.5mm 22pin flexible ribbon cable. Leadout 12 pin GPIO, containing I2C, UART, 2.54mm. One USB C power supply Interfaces, 5V3A, supports charging head. Specifications: Materials: Plastic Style: Bottom Plate, Bottom Plate with Heat Sink(optional) Package Includes: 1PC CM4 Base Board note: Please allow 1-3cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item.