Tripp Lite 4-Port Desktop KVM Switch, USB, VGA HD15 (B006-VU4-R) Control up to 4 USB computers from a single VGA monitor and USB keyboard/mouse Switch between connected computers via pushbuttons or hotkey commands Auto Scan Mode allows monitoring of connected computers without manually switching between them Supports video resolutions up to 2048 x 1536, DDC2B Uses proprietary P758- series Tripp Lite KVM cable kits