Prentke Romich’s HeadMaster Plus™ is a head pointing system that takes the place of a mouse. Just move your head and the cursor moves on the screen. Puff on the tube to make selections. Mouse clicks can also be made by activating an external switch (sold separately) or by dwelling with a dwell software program (sold separately). It is the only head pointing system that tracks both lateral and rotational movement. Also available for HeadMaster is an optional Remote Adapter providing for wireless infrared use and an optional Laptop Adapter.