▶ Digital Watch with heart rate belt is featuring with these functions -- heart rate monitor, alarm, chronograph, hourly chime signal EL back light and water resistance to 5ATM;
▶ Heart Rate Monitor -- Continuous, accurate heart rate provides clear workout guidance. It is important for you to know your MHR (maximum heart rate) training zone, upper heart rate limit and lower heart rate limit before you begin, they help you achieve the maximum health benefits out of your workout. Includes heart rate chest strap made of soft fabric material that adapts to your body shape;
▶ This heart rate monitor watch is with water resistant to 5 ATM -- You can wear it when washing hands, but please DO NOT operate the buttons under water;
▶ Functions include 1/100-second digital stopwatch, hourly time signal, auto calendar, and day/date accuracy of +/- 1 second one day;
▶ 12/24-hour timekeeping, 47 mm resin case with mineral dial window.