The Life Fitness LifeStride TR9700HR Next Generation Treadmill provides 14 motivating workout programs and the ultimate, scrolling message center console with numeric keypad. Built-in digital heart rate hand sensors, automatically control elevation to keep users in their target heart rate zone. Go faster and farther with Life Fitness treadmills. Feel the freedom of choice with many invigorating workout programs. Feel the uncontested cushioning of the patented FlexDeck shock absorption system. Keep your exercise motivated for miles with the most pure indoor running experience.