Thank you for viewing. I used this for about two months, but I no longer need it, so I am selling it. VGA Computer Switch RS-230U A switcher that can switch between two PCs via VGA, supporting a maximum resolution of 1920x1080. - Model: RS-230U - Connection: VGA, USB - Number of PCs supported: 2 - Supported OS: Windows 11/10, Mac OS X 10.5 or later - Functions: Keyboard, mouse, and monitor switching - Output resolution: Up to 1920x1080