[8 Computers Share 1 Monitor]You can control up to 8 computers with only 1 set of keyboard and mouse, sharing on 1 monitor.Just wait 3-5 seconds you will complete the switch, avoiding you from plugging and unplugging between computers and saving you time. (Note: The process of switching HDMI signal sources will result in a black screen, approximately 3-5 seconds. This is a normal phenomenon.) [4K@30Hz]This 2 port KVM switch supports resolutions up to 4K*2K@30Hz and has a built-in auto-adjustment system to make the image display more detailed and realistic, clear and stable,bringing you a high-definition visual experience. [USB2.0 Protool]This KVM switch is equipped with 2 USB2.0 port and 2 K/M port, which can share USB devices between 8 computers, such as scanners, USB printers or U disks, and can automatically identify and match various display devices. [Support Button and Hotkey Switch] There are 8 buttons on the panel that you can switch to the PC you want via press them , or press the hotkeys on the keyboard to switch (note: if you want to use hotkeys , the keyboard and mouse must be connected to the K/M port) [ Good Compatibility] This 8 port KVM switch HDMI has an adaptive EDID that can adapt to various complex application environments and systems, such as Windows 10/8/7/XP, Linux, Mac, etc.,Support HDMI1.4 standards. kvm switch