Does the MIU sensitivity mean light BFP or bold BFP

Amanda • 31 Years Old - TTC for going on 2 Years - 1 👼🏻 - Wishin` and Hopin`
So if a hpt test's miu sensitivity is at, let's say 25, does that mean 25 would be a full blown positive bfp dark line or a light little line??? Is the miu the recommended positive result or the minimum to get a line to show up? Hmmmmmmm.. 🤔