Features and Benefits Horse Power Rating : 2.25 CHP Commercial Grad Mach Z(tm) Drive Motor--With more power than an ordinary drive system, the Commercial Grade Mach Z(tm) Motor allows you to exercise for longer periods of time while maintaining smooth, consistent operation. Employing an internal fan, this motor reduces noise as it cools internal components and extends the motor's life. Manual Incline: 0-12 MPH Quickpeed(tm)--Instead of tediously scrolling through options, QuickSpeed(tm) allows you to instantly change the speed of the treadmill to your desired level with the single touch of a button. Space Saver: Folds Up--Allows for convenient storage when not in use. Shock Absorption: ProFlex(tm) Cushioning--Reduce impact on your joints by up to 28% as compared to road running with this superior absorption system that delivers the perfect balance of comfort and joint protection. Heart Rate Monitor: EKG(tm) Grip Heart Rate Monitor--Get an accurate heart rate reading with the convenient sensors built into the handlebars-simply grip them for a convenient pulse reading. Interactive Programs: 8 Personal Trainer Workouts, 2 Heart Rate Programs and 2 Learn Programs--Eight Personal Trainer workouts automatically adjust incline and resistance to focus on aerobic, weight loss, or performance goals while two ?Heart Rate? workouts help you stay in your target heart rate zone by increasing the speed when you need to raise your heart rate and decreasing speed to lower it. This treadmill also comes with two ?Learn? programs that you can customize yourself based on your own personal preferences. Display Panel: Clearview Backlit Display Windows--2 windows and 5 displays. Easy Speed Control Feature--Allows you to quickly adjust your speed without having to use the up or down arrow and go through 10th's of a mph. The console is numbered 1 through 10. Displays Number of Laps--Shows how