The Fuel Fitness 4.0 is a foldable treadmill powered by a 1.75 continuous-duty horsepower motor that enables you to run at a maximum speed of 16km/h (10mph) on its 18x50" running deck. The machine is equipped with a large blue backlit LCD display that provides a selection of 24 pre-set workouts as well as feedback on speed, distance, time, calories and heart rate. It also incorporates hand grip sensors and a wireless receiver (chest strap optional) for pulse measurement, whereas conveniences such as a cooling fan, an audio system with mp3/iPod connectivity or bottle/accessory holders help make your workouts more pleasant. In addition, the treadmill features direct select keys for easy changes of speed and incline.