Features: CM4 computing module mini host specially designed for raspberry pie computer module 4 core board Built in mini IO board, advanced version, simple assembly, convenient and fast comes with cooling fan, combined with the airflow vent, better heat dissipation. Wall mount holes on two sides, handy for mounting. Support LCD interface connection Support 70H-1024600-IPS-A series screen Specifications: Item: CM4 IO BOARD CM4 card holder: applicable to all versions of computer module 4 Networking: Gigabit Ethernet Rj45 interface Connector: M2 m-key supports communication module or NVME SSD; Raspberry Pi 40Pin GPIO interface USB: USB 2.0 Type-Ax2 Display: LCD interface 40Pin 0.5mm FPC connector Camera: MIPI CSI-2- interface x2 15pin 1.0mm FPC connector Video: -HDMI-compatible supports 4K30fps Storage: onboard microSD card slot Fan interface: adjustable speed 5V Power input: 5V Size: approx 85x62mm/3.35x2.44in Note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment. Package includes: 1PC CM4-IO-BASE-A 1PC Metal Case- (top and bottom) 1PC Cooling Fan 5V 1PC Rail Clip 1PC Button Plug 1Set Screws Pack