The 527P Programmable model offers 2 user programmable positions and an auto-return function, while the 527S Standard, nonprogrammable model is standard with MTIs semiautomatic position switch plus an auto-return function. A hand or foot control can be used independently or optionally, together. With a minimum entry height of 21" and an extended height of 40-1/2", both models afford easy entry for elderly or disabled patients and provide extended heights for even the tallest of operators. The one-handed operation of the locking slide back arm, provides a safe, steady rest for the patient. From upright to reclined, this chair can do it all. The footrest extension adjustments with dual locks are located on both sides. Both the stainless steel debris tray and footrest extend 12" using KTL cataphoresis-coated slides and supports up to 200 lb extended.Minimum seat height: 21"Length with back reclined: 74"Length with foot section fully extended: 86"Foot section: 25-1/4"W x 18-1/2"LSeat section: 24-1/2"W x 21-1/2"LBack section: 23"W x 34"L