Function: This product can be used as a signal router, you may have a TV in two separate rooms, you can have a TV in one room, and when you want to switch rooms and continue to watch the TV, just turn off the TV. TV and turn on another TV, and then routethe signal to the TV in another room. Very suitable for connecting an HDMI compatible device (such as hd-dvd, blue-ray dvd, Xbox360, ps3, stb, laptop, high-definition TV) to two visual output devices (such as HDTV, monitor, etc.). Allows connection of HDMI devices with built-in HDMI ports, such as HDTV, PlayStation 3, up-conversion DVD players, LCD monitors and projectors. Gold-plated connectors can achieve better signal transmission. Allows connection of HDMI devices with built-in HDMI ports, such as HDTV, PlayStation 3, up-conversion DVD players, LCD monitors, and projectors. HDMI splitter 1 in 2 output 4k HDMI splitter Set includes: 1 x HDMI male to 2 HDMI female 1 in 2 splitter cables; length: 11.8 inches (30 cm); weight: 52.00 grams. Only 1 output device should be active at any time, unless the two TVs are the same size, the image will be displayed after connection.