ProForm TX-300 Heart Rate Monitor Watch Heart Rate Monitor Watch reads your heart rate, and acts as stopwatch, calorie counter and calendar Quick-Touch Technology accurately reads heart rate with contact watch case, while included chest strap continuously tracks heart rate Calorie counter, maximum heart rate %, high and low heart rate zone, continuous heart rate reading, fat and calories burned, average heart rate, target heart rate alert, daily alarm, power saving mode, and dual-row display Waterproof up to 20 meters Includes limited five-year manufacturer's warranty