The SportsArt 3108-HTR treadmill offers a range of features to enhance your home workouts. With its heart rate control operation, you can set target heart rate zones and the treadmill will automatically adjust speed and incline to keep you within those zones. This helps you achieve your fitness goals more effectively. The interval heart rate operation allows you to alternate between high-intensity and low-intensity intervals, which can improve your cardiovascular fitness and burn more calories.