The Kramer K302 20-00010190 is a secure 2−port, small−form−factor KM switch. It allows an easy yet secure sharing of keyboard and mouse between two different security−level sources/computers. HSL Virtual Display Technology (VDT) allows the K302 to switch seamlessly between computers once the mouse cursor crosses display borders. The K302 works smoothly with all operating systems, from Microsoft to Linux and Apple and has no need for software installation. It arrives with a set of preset desktop configurations.