You want to connect several units of audio-video equipment,but there is a lack of television input signal source terminals, The signal connection wires are often plugged and unplugged , which is very inconvenient.
The kids at home want to connect several units of television game players and use simultaneously, you may switch 4-group AV audio-video signal input and 1-group output to the television.DVD,VCD,TV Game,VCR station selector, satellite TV, cameras,etc.Directly exposed manual switch over, design of no connection to power, quick installation and convenient appplication.