[Seamless Switching, No Blank Screen] No delay, zero latency display switching makes your use smooth and enhance your work efficiency experience. Easily add or remove devices without needing to power off the KVM switch or other connected devices, saving your time and hassle-free. [KVM Switch 2 monitors 4 computers] Ideal for access 4 desktops or laptops with 2 monitors and 1 set of keyboard mouse. Dual Monitor HDMI KVM Switch, Control 4 computers for Windows, Mac, Chrome and Linux with one set of wired or wireless keyboard, mouse and 2 extended or mirrored monitors at the same time. [USB 3.0 Hub] The integrated USB 3.0 ports allow you to share USB peripherals like printer, scanner between 4 computers with data transfer rate up to 5Gbp/s (10 times faster than USB 2.0); Extra USB dedicated ports are for Hotkey switching. Automatic Wake-up Function. [Ultra HD 4K@30Hz and EDID Emulators]The Resolution is up to 3840x2160 (4K) @30hz, and downward compatible. With EDID emulators in each input