Eight audio and video inputs select one set of audio and video outputs.
Applicable for multi screen monitoring in audio store，shopping mall，supermarket，and home.
No external power needed, easy to use.
No need to unplug wires when switching between game consoles, DVD players, digital camcorders when using the 3 to 1 multi-switch
Product size: 10 * 7.5 * 1.6 in