This DisplayPort switch by Delock is a manual bidirectional switch for connecting different devices with DisplayPort port. This switch offers two different applications.1.Up to 2 devices can be connected to a monitor, TV or projector. AtThe push of a button,The device that is displayed onThe screen can be selected.2.A DisplayPort device can be connected to up to 2 screens.The screen on whichThe signal is displayed can be selected atThe touch of a button. Simultaneous output to multiple screens is not possible. Please use short length and high-quality cables, especially for higher resolutions.