SYS HDMI 1 Male To Dual HDMI 2 Female Y Splitter Cable Adapter HD LED LCD TV It takes a signal from one device such as a Bluray player and will direct to one of two output devices that are plugged into it. 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. This HDMI splitter cable is ideal for connecting one HDMI compatible device (Xbox,Blueray,DVD players,for PS3) to two visual output devises. This product can act as a signal router,you may have a TV in two separate rooms,you can have a TV on in one room and when you want to switch room and keep watching the TV,you just need to switch one TV off and switch the other TV on,and then the signal is routed to the TV in the other room. Suitable for High Definition image resolutions such as 720p,1080i,and 1080p