The VS-21H-IR is a 2x1 HDMI switcher that can switch between two HDMI inputs and output to a single HDMI display. It supports HDMI bandwidths up to 2.25Gbps and features like HDCP and HDMI compliance. The switcher reclocks and equalizes signals to travel longer distances and passes EDID/HDCP signals from the source to display. It can be controlled via a front panel button or included IR remote and includes LED indicators to show the active input and output.