StairMaster SM916 StepMill 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 Backlit LCD display with slot for 15-inch TV; Polar-compatible heart rate monitoring Measures 29 x 78 x 50 inches (W x H x D) and weighs 409 pounds; 15-year frame warranty