The SciFit PRO1000 Upper Body Exerciser is a bi-directional exerciser with adjustable arm cranks and step-through accessibility to start exercising right away. Adjustable arm cranks move in unison and have three range of motion settings. It features 191 resistance levels beginning with a very low starting resistance. The premium seat is removable for wheelchair access and can adjust up, down, forwards or backwards. The premium seat can also recline and swivel for easier usability. The user weight capacity for the premium seat is 450 lbs.