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 standard seat is removable for wheelchair access and has a fixed height that can adjust either forwards or backwards. The user weight capacity for the standard seat is 500 lbs.