The Smooth 7.1HR treadmill is rated a "Best Buy" from Treadmill Doctor. With the Smooth 7.1HR folding treadmill you get the combination of a quality treadmill that conveniently folds to save space. It is equipped with a powerful 2.5 hp motor and a large 20" x 54" belt. This is a power folding treadmill. Unlike manual treadmills that can be very heavy to lift, with the push of a button the Smooth 7.1 folds automatically. In addition, it has large rolling casters that allow you to easily move it to another part of the room. It is also a heavy 260 lbs. Even though this is a folding treadmill you will find that it has an extremely solid feel. Best of all, with the Smooth 7.1 folding treadmill you get heart rate control (wireless strap is extra). One of the most efficient ways to workout and burn calories is to let the heart rate monitor determine your level of exertion. The wireless monitor transmits your heart rate to the receiver in the unit. The unit then adjusts the intensity of your workout until your heart rate is in your preset zone. Smooth Fitness are the Experts on Internet sales and service