Small in size, it is the essential tool for the development of your own tracks, you can also install PAWN button 4 for some additional applications in troubleshooting your electronic circuits, what I did. You can also develop your own applications that I did too.
When traveling you can have it on hand with your controller.
In a perfect word, do not consider it as a measurement tool (precision 8 bits) but a good troubleshooting tool.