Inclinator invented stair riding equipment in 1923. Their dedication to the principles of simple design, excellent material and superior craftsmanship results in a product that will deliver many years of reliable service. Call and send controls at top and bottom of stairs and on chair 250 lb. capacity 17'6" travel distance at 25 ft. per minute on an angle from 26 to 52 degrees Rotating seat that swivels left or right for easy access, locks in three positions and folds out of the way when not in use Track extends only 9" from baseboard, folded chair extends only 13" from baseboard Each arm rest folds independently of the other Operates on standard 110 volt house current Safety features include obstruction sensors and broken cable safety device Night light that also serves as power indicator Can be hand-operated in the event of a power outage