4 Port HDMI KVM Switch 4K@60Hz,USB HDMI KVM Switches for 3/4 Computers Share 1 Monitor and Keyboard Mouse Printer, Supports Switching Between Machine Panel Buttons and hotkeys.

HDMI KVM Switch 4 PC 1 MonitorsThe HDMI KVM Switch allows 4/3 PC to share 1 monitors and 4 USB peripherals, such as keyboards, mouse, printers, etc.
Note: Your computer's graphics card needs to be equipped with USB + HDMI port, Do not use DVI, VGA, USB-C port ^^ 4K@60Hz/2K@120Hz KVM HDMI KVM switch supports up to 4K@60Hz Ultra HD resolution and is backward compatible with 2K@120Hz, and 1080P@165Hz.
Notice: To transmit 4K60Hz, the computer and monitor as well as the transmission cable must support 4K60Hz; The use of a conversion cable will result in display abnormalities. ^^ Hotkey USB KVM Switch More StableHDMI KVM switch with 4 USB ports. The maximum transfer rate is up to 480Mbps and is backward compatible with USB 1.1.
(Note: Each computer needs to be connected with a USB A-B cable to the KVM switch, otherwise the USB peripherals will not be recognized). Simply connect the hotkey to the USB keyboard/mouse port to switch between different uses. ^^ Great Compatibility & 2 Switching ModePlug and Play. This KVM switch 1 monitors 2/3/4 computers driver-free for Windows, Mac, You can press the button on the panel or use the Hotkey to switch the computers, LED indicate the active computer. ^^ What You Will Get 1* HDMI KVM Switch 4x1, 4* USB Cable, 1* User's Manual. We provide 12 months war-ranty. If you have any questions about the HDMI KVM Switch, please take a litte time to contact us to solve it.
Note: Hotkeys must be connected to the keyboard and mouse port to function. USB 3.0 is not supported, and extension cables are not supported because we use the AX68002 chip.