Regarding the phrase "nimble but not smart," I have nothing else to add. It's possible that it will take a very long time to start pumping the wheel from scratch, but I accepted it as a resume and "to have it with me."
Pros
Because it is small and contained within a single case, it will not be lost. In the compressor unit itself, there are replaceable nozzles, but I could not locate them right away. Pumps, first displays the current pressure in the tire, and then turns off the pump once the specified pressure is attained.