High-quality StepMill with revolving set of 8-inch stairs for cardio workouts. Step range of 24 to 162 steps per minute; multi-stage fitness test and CPAT test. 10 total workout programs, including fat burner, calorie burner, and intervals. Easy-to-read backlit LCD display; Polar-compatible heart rate monitoring. Requires 10 feet high ceiling; Measures 50 x 29 x 78 inches (L x W x H) and weighs 409 pounds