This switcher offers 2 HDMI inputs for your devices to connect with 1 HDMI Display monitor, with the single button, easy switch between the 2 devices, saves the trouble to plug and unplug; Bi-direction HDMI Switch also works the other way around as HDMI Splitter, offers the solution to connect 1 HDMI device with 2 external HDMI displays and choose between the displays, only 1 HDMI display will work in Splitter mode