TRENDnet TK-400K 4-Port KVM Switch kit allows you to manage multiple PCs with just one keyboard, monitor, and mouse. Switch between PCs with a simple press of a button! Eliminate the hassle of cable swapping and save space with TRENDnet TK-400K. It lets you control up to four PCs while using a single keyboard, monitor, and mouse. And with its Hot-Plug, Auto-Scan, Audible Feedback, and Hot-Key Operation features, TRENDnet TK-400K is the perfect choice for managing multiple PCs.