Precor Premium Series 9.31 Treadmill Professional-quality treadmill for the home with innovative design that adjusts belt speed to foot speed Up to 12 MPH speed, 15 percent incline 8 preset programs including 1-mile, 5k/10k courses, 1 heart rate, 1 manual, 1 weight loss Compatible with wireless heart rate monitors; handheld monitoring not included Lifetime warranty [...]