CN030B KVM 2-Port switch allows user to control 2 computers with one monitor， USB keyboard， USB mouse， and USB printer. All-in-one mini KVM switch with USB connectors. Switch between computers by clicking the button on the switch. Compatibility: Windows 3.x/98/ME/NT/2000/XP/Vista， Netware， Unix， Linux. High VGA Resolution 1024x768， 1920x1440， 2048*1536. No external power required， system powered up with your cable. Auto scan mode for monitoring PCs. VGA Mouse Keyboard 1.5m Meter 5 Feet. Compatible with VGA monitor， PS/2 mouse， and PS/2 keyboard. Measures 1.5m (5 feet) long. 15-Pin standard VGA male monitor connector. 6-Pin standard PS/2 mouse and PS/2 keyboard connector. Male to male connector.