Fitness Sport Pulse Watch with Heart Rate Monitor and Calorie Counter Weightloss Chronograph (Stopwatch) with split lap time for recording exercise time Built-in sensor Pulse Sensor provides accurate heart rate requiring NO chest strap! Exercise Intensity input for Calories analyzing Display current Time & Calendar with Alarm and Hourly Chime function Available Modes: Time mode / Daily Alarm Mode /Chronograph mode /Pulse Mode / Exercise Mode