Now you can get a more effective treadmill workout with this convenient accessory. Exercise in your target heart-rate zone by adding the hands-free AccuRate™ Wireless Heart Rate Monitor to your treadmill. Provides fast, accurate pulse readings and transmits the data directly to your treadmill's console. Convenient, accurate and easy to install, it is compatible with most of our treadmills. If you are unsure of your treadmill model or want to determine compatibility, call 1-800-727-9777.