Key features: - Control and manage four computers using a single PS/2 keyboard and mouse and monitor - Simultaneous and independent PC user-programmable switching - High 2048 x 1536 pixels VGA resolution - Easy switching between computers with Auto-scan, keyboard hotkeys and push button selection - At-a-glance LED display for easy monitoring of PC activity - True Plug-and-Play operation without any software installation or power supply - PS/2 interface powered