Function-This product can be used as a signal router, allowing you to have a TV in two separate rooms. You can turn on a TV in one room, and when you want to switch rooms to continue watching TV, simply turn off one TV and turn on another, then route the signal to your TV in the other room. Perfect for connecting one HDMI-compatible device to two visual output devices. Allows connection of HDMI devices with built-in HDMI ports, such as HDTV, PlayStation 3, up-converted DVD players, LCD monitors, and projectors. Gold-plated connectors provide better signal transmission. Allows connection of HDMI devices with built-in HDMI ports, such as HDTV, PlayStation 3, up-converted DVD players, LCD monitors, and projectors. HDMI Splitter 1 in 2 out 4K HDMI Splitter. Only one output device should be active at any given time. Unless both TVs are of the same size, both TVs will display images when connected.