Features: The Sipeed NanoKVM USB is finger sized 4K nanokvm switches that enables remote server and sbcs management via chromes browsers without external keyboards, mouse, or monitor. Featuring hdtv out up to 4K@30Hz and USB A port for file transfer between devices, this tool requires no software installation and works across major operating systems. for IT professional, server administrators, and enthusiasts managing multiple devices in data centers, labs, or home setups. streamlines workflows in server room, collaborative workspaces, or home labs by controlling hdtv video feeds and transferring files across two computers simultaneously. Its aluminum alloys combines hdtv capture, keyboards/mouse relays, and USB data switching for simplifieds multiple device troubleshooting and collaboration. Specifications: Product shell material: aluminum alloys Product size: 57x25x23mm/2.24x0.98x0.91inch Style:NanoKVM USB,NanoKVM USB Tool Kit(optional) Package Includes: 1PC NanoKVM USB note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.