ProGear HC3500 Extended Weight Capacity Smooth Walking and Jogging Electric Treadmill with Heart Rate System Extended Weight Capacity up to 350lbs Super Quiet 1.5 Horse Power High Torque Motor means that any resistance applied to the belt increases the motor's power Extended treadmill safety handle bars for walking securely help prevent any loss of balance Easy on and off ground level walking surface allows for easy on and off of the treadmill Ideal for building up walking speed and endurance