The KVM-DVUSB02 is a compact sturdy two port DVI-D KVM switch with USB (Universal Serial Bus) keyboard & mouse support plus one extra USB (Universal Serial Bus) device. Supports digital signals only so VGA cannot be used without being converted to a digital signal. Specification 2 Port DVI-D Switch USB (Universal Serial Bus) Support Single Link Supports Resolutions up to 1920 x 1200 @ 60 Hz Control 2 computers via USB (Universal Serial Bus) keyboard & mouse Supports USB (Universal Serial Bus) Keyboard/ Mouse Plug n Play Auto Scan Function Metal Case 5v Power Port (PSU Optional)