The KVM CPU Switch Kit allows users access to 2 or 4 IBM compatible computers from one PS2 keyboard PS2 mouse and VGA SVGA monitor. Switching between computers is easy as pressing the push button or entering hot-key commands from your keyboard. There is no interface card or software to install and it is independent of the computer operating system.The CPU Switch Kit consumes negligible power and is designed to run reliably without an external power adapter with all cables at the rear the complete setup takes insignificant desktop space.Ready to run right out the box these kits come with everything you need – switch and complete cable sets just hook them up and go. By allowing one console to manage all your computers the KVM Switch Kits eliminate the expense for extra consoles the space needed for extra peripherals and time spent accessing different computers. Specification Unique loose-free cables included preventing keyboard or mouse connector from getting loose. Power-free operation – the power is drawn from the attached PCs. Keyboard states automatically saved and restored when switching computers Keyboard and mouse are hot pluggable at any time without turning Switch box or PC’s off Operating System independent transparent to all applications Keyboard and mouse emulation for error-free PC boot up Space-saving design – all cables are connected to the rear Auto scan automatically selects computers sequentially Supports Microsoft Intellimouse (Pro) Explorer Optical Hot-key and push button allow easy computer access Supports PS/2 keyboard and mouse High VGA resolution 1920 x 1440