ProForm 500 LX Treadmill Powerful 2.25-horsepower treadmill with full digital control panel Speed control ranges from 0 to 10 mph; 0 to 10 percent power incline ClearView display tracks your speed, time, pace, calories, carbs, distance, and more ProSoft impact absorption system; EKG heart rate monitor with handlebar pulse sensors Motivational RaceTrack displays progress on 1/4-mile track; 1-year warranty