With the Black Box 2-Port Dual-Monitor DisplayPort Secure KVM Switch you can keep your sensitive data safe in defense applications, secure control rooms, corporate communications, server operations, educational administrations, medical facilities, banking networks, insurance data centers, transit management, industrial operations, intelligence communications, and more. This Secure KVM Switch features mechanical, electrical, and optical signal isolation to prevent hacking and data leakage in environments where security is paramount. The Secure KVM emulates (simulates) the presence of a keyboard and mouse for every attached computer through a USB cable. Use the switch to control KVM (Keyboard, Video, and Mouse) operation on up to two or four computers with one or two DisplayPort displays.