Heart Rate Monitor w/ Calories Counter Fitness Pulse Watch & Target Zones Digital Sports Wristwatch This Heart Rate Monitor Watch with RESET, SET, MODE, SENSOR and ST/SP buttons for easy operation. Daily alarm and hourly chime.Chronograph (stopwatch) with split lap time.Exercise counter with automatic and manual override calorie counter. The Heart Monitor Watch can calculate your heart rate and calories burned while exercising. It has been designed to calculate the calories burned and pulse rate of an average. With an advanced ECG (Electrocardiography Technology) Sensor which detects your pulse from your blood pressure.