Yowza Fitness Boca Professional Grade Non-Folding Treadmill Professional Grade 3.5 HP Continuous Duty motor with Full 20"X 63" multi-ply Running Belt Patented Swing-Arm Shock Absorption Deck rests on multi-durometer elastomer rings providing a soft landing surface in front with a firm surface to push off from in the rear; Triple phenolic laminated deck is reversible and requires no regular maintenance Patented Intelligent Weight Management software and wireless scale My LiveLight App Compatible (Free app in Android and Apple Stores) Crowned rollers with sealed bearings provide superior belt tracking