Achieve your fitness goals with the Gold's Gym Trainer 550 Treadmill. It comes loaded with four personal trainer workouts, four weight loss workouts, two heart rate workouts, and two distance workouts. You can customize a workout to achieve your individual objectives and this treadmill adjusts the speed and incline automatically. Or plug in the number of calories you want to burn and your workout time. The iPod-compatible music system will help you have fun while you get in shape. The built-in storage shelf can hold your iPod. The backlit LCD display tracks your time, distance, incline, pulse, and speed. The patented Motivational RaceTrack display shows you in your workout on a quarter mile track, keeping you both informed and motivated.