D-Link 4-Port USB KVM Switch (DKVM-4U) Control up to four computers using a single USB keyboard, USB mouse and monitor Supports up to 2048 x 1536 video resolution Supports VGA.SVGA and Multisync monitors Hot-Keys and Select Button for easy switching Auto-scan mode for detecting connected computers Control up to four computers using a single USB keyboard, USB mouse and monitor Supports up to 2048 x 1536 video resolution Supports VGA.SVGA and Multisync monitors Hot-Keys and Select Button for easy switching Auto-scan mode for detecting connected computers Audible feedback when switching Front panel status LEDs Hot-plug support