
via
this auction"- 1 on/off switch with green "on" led.
- 1 waveform select switch....sine wave or square wave.
- 1 Blue LED LIGHT PEN with 3 foot cable, use to play the photosensor in the dark.
- 1 pitch range pot with ball knob sets the range of the sound from low to high pitch.
- 1 1/4" audio output jack.
- Cool white/purple case."

via Jimmersound