The StarTech USB 3.0 to dual HDMI video docking station allows you to connect 2 screens to a laptop or PC. Simply connect your PC or laptop to the docking station using the USB 3.0 port. The 2 ports allow you to connect 2 screens using HDMI cables. With one connected monitor, you can achieve a maximum resolution of 4K. Alternatively, when two monitors are connected, you can achieve a maximum resolution of 1920x1200 on both screens.