Works up to 20 metres away.
Just plug any switch into the small (3.5mm) or large (1/4") jack sockets, select the channel or piece of equipment that you want to use and start using your switch.
It also works with the Nine switch keyboard (0765-509), enabling you to switch up to eight different pieces of equipment plugged into Switch2 control units, or all the internal functions of any Switch4 equipment.
The Master switch transmitter is designed for use by a teacher or supervisor. It works in exactly the same way as the universal transmitter except that it has its own internal switch.