Usage Tips:Note: Only 1 output device should be active at any time unless both TVs are of the same size,then both TV will show the images when connected.HD Resolution: HDMI male plug-in 2 HDMI female connector splitter cable, clear video transmission, high-resolution images, support 480i, 480p, 720p, 1080i, 1080p.Function: HDMI splitter can be used as a signal router. You can have a TV in two separate rooms, and you can turn on a TV in a room. When you want to switch rooms to continue watching TV, just switch Turn off one TV and turn on the other TV, and then the signal is routed to the TV screen in the other room.Wide Compatibility: Gold-plated connectors can stabilize signal transmission. HDMI splitter 1 in 2 out cable is suitable for connecting an HDMI compatible device (HD-Dvd, Blue-ray Dvd, Xbox360, Ps3, Stb, Laptop, Sony HDTV, Upconvertor DVD Player, LCD monitor and projector ete).Incompatible DeviceHDCP and Mac-Book are not supported and will not work on TV boxes / cable boxes (for example, Roku, A pple TV boxes, etc).