4 in 1 out
HDMI KVM Switch: 4X1 HDMI KVM Switch is a HDMI switch that help 4 computers/laptops to share 1 monitor and 4 USB 3.0 devices such as scanner, printer, mouse, keyboard.

4 computers/laptops share one set of keyboard, mouse and 1 monitors, and more USB 3.0 peripherals;
Support maximum resolution up to 4K 60Hz HDMI monitors output
support up to 4K@60Hz/2K@120Hz for mirrored display;
Compatible with Windows 11/10/8/7/2000/XP/Vista, Linux, UNIX, Ubuntu, Fedora, and other systems;
Advanced switching modes: push button and IR remote control; No complicated installation is required, and non-professionals can easily operate it;
The ports that need to plug in HDMI/USB cables are all hidden behind the KVM, so the desktop doesn't get cluttered;