Features include the following:
On/Off Switch.
Wide Range Volume Control.
Variable Tone Control.
4 Magnet Roller Wheel.
5 Position Sensitivity Control.
Drop Back Differentiation.
Power Out Socket.
Extension Box Socket.
Battery - 9 volt.
Battery Slide.
Digital Technology.
Low Battery Drain.
Low Level Battery Warning.
On/Off Switch.
Wide Range Volume Control.
Variable Tone Control.
4 Magnet Roller Wheel.
5 Position Sensitivity Control.
Drop Back Differentiation.
Power Out Socket.
Extension Box Socket.
Battery - 9 volt.
Battery Slide.
Digital Technology.
Low Battery Drain.
Low Level Battery Warning.