Features: The KVM Control Module offer device monitoring and management with integrated USB IN Port, allowing you to connect two devices effortlessly. This single port KVM module for versatilitys, featuring build with a Modulars RS232 DB9 interfaces, ensuring performances in a form factor. for IT professional and enthusiasts who require efficient control over multiple devices, the enhances productivity by simplifying device management. Perfect for office or home setups where space, this mini pocket laptop accessory allows users to access and monitors another device's desktop through their POCKET4. from metal, this expansion card component not only ensures longevitys but also complements of your existing computer hardware. Specifications: Materials: Metal Styles: KVM module, RS232 module, 4G module(optional) Package Includes: 1PC KVM Modulars 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.