Bowflex TC5000 Treadclimber (Refurbished) Speed range is 0.7-4.0 miles per hour; twelve resistance levels Integrated wireless heart rate monitor providesfeedback as you exercise and push your workout to the next level Electronic functions include speed, distance, total steps, time, calories per minute, total calories, climb indicator, and heart rate Measures 46 inches long by 30 inches wide by 55.25 inches tall; weighs 185 pounds