The Life Fitness 9500HR model features our exclusive Lifepulse™ digital heart rate monitoring system the most accurate way to calculate individual heartbeats. This total body Cross-Trainer combines the cardiovascular/muscular benefits of running and the low impact of walking. No cords or outlets required. Cost-effective and convenient. Work large groups of upper and lower body muscles at the same time. Alternate between forward and backward motion for total body results. Lifepulse™ digital monitoring system is nearly as accurate as a clinical EKG. Polar® telemetry monitoring system.