Motor is backed by a five-year warranty. Speed is adjustable from 1 to 10 mph, for slow walking to running. Seven programs offer preset workouts. Pulse monitor contacts built into the hand grips. Quick Speed/Incline Keys to select one of five preset workout intensities. Two-window LED console with dot matrix display is easy to read during workout. 18" x 50" expanded workout area for more walking or running room. AEROsoft™ Plus cushion system below the belt isolates feet and legs from shock. Motorized incline adjusts instantly from 0 to 10% grade.