KVM DMVGA04 4-port USB KVM switch has auto scan, easy hot-key control, LED activity indicators, USB switch mouse emulation, up to 1920 x 1440 high video resolutions support, USB keyboard emulation, mini-din 6-pin keyboard input/ output, mini-din 6-pin mouse input/ output, 15-pin VGA and dimensions 7 x 2.5 x 10.5 cm.