Securely Control Four Dp Computers From One Mouse / Keyboard And A 4K 30Hz Monitor, With A Dedicated Preview Screen Output Status Leds For User Console Ports / Cac Port / Port Selection Niap 4.0 Certified Prevents Data Leaks / Isolates Systems / Has No Internal Memory Or Storage Dedicated And Configurable Cac Port Enables Secure Smart Card Login Anti-Tamper Switches Detect Physical Intrusion Attempts Which Disable All Functionality And Trigger Visual / Audible Alerts Built In The Usa