portable...big help for someone who wants to exercise but is really lacking motivation...i do this watchong tv, reading, meditating, etc...im 314%23...weakened leg keeps me from climbing stairs....im already on level 5 fwd %26 reverse 2 hrs a day and i get up out a chair much better after 2 weeks use...my fiance noticed improved movement lately...will you stop running all over the house i cant see steve harvey when you keep passing by the tv...this is only temp til i get a small home gym....i approve this product