H80 About this product: HDMI KVM Switch 2 Input 2 Output: Switch between 2 computers. Perfectly connect 2 desktop computers or laptops and share 1 set of mouse and keyboard, 2 monitors to extend or mirror the screen. High-quality KVM switchers provide an efficient workspace. 3 USB 2.0 Ports: This HDMI dual monitor KVM has 3 USB 2.0 ports for sharing USB devices such as scanners, USB printers, and U disks. The updated design hides the messy cables on the back and leaves the USB 2.0 ports on the front for plugging in USB devices. The unique design tidies up the desk and says goodbye to messy cables. Dual Monitor HDMI KVM Switch 4K60HZ: Our KVM supports high resolutions up to 4K @ 60Hz and also supports 3D and 1080P @ 60Hz or other lower resolutions (backward compatible). Supports separate audio output and microphone output. Note: The 4K @ 60Hz effect can only be obtained if both the computer's graphics card and monitor support 4K @ 60Hz. Therefore, if you need the maximum resolution, you must first check the devices. Convenient Switching Mode and Wide Compatibility: 1. Front panel switching selection; 2. Wired remote control switch. Compatible with various computer systems such as Windows, Linux, Mac, Unix, Ubuntu, Raspberry, and other mainstream operating systems. It also supports HDMI devices without USB signal input, such as DVRs and NVRs. 12-Month Warranty: You can use this KVM to share 2 monitors (extended mode or copy mode) between 2 computers only if your computer supports dual displays or multi-displays. If your computer only supports a single display, this dual monitor kvm switch will not help you get dual display functionality.