The 4 port usb kvm switch lets you manage four pcs with just one set of keyboard monitor and mouse switch between 4 pcs with a simple press of a button separate sets of kvm cables are included with the kvm switch so users can start controlling 4 pcs instantly the kvm cables also provide power to the kvm switch eliminating the need for a power adapter hot key operations provide immediate access to features such as computer switching and auto scanning with its hot plug and audible fe