Polar. RS400 Heart Rate Monitor

Polar RS400 Heart Rate Monitor. Wireless ECG accurate heart rate Polar sport zones help you train at correct intensity. Polar OwnZone® determines personal heart rate limits. Counts and displays calorie expenditure. Polar Fitness Test measures your fitness level in 5 minutes. Train and rest as the test lets you know whether or not you have rested enough between exercise sessions. 3 HR-based target zones with visual alarms. 3 HR-based target zones with audible alarms. Monitor shows maximum, average and minimum heart rate of total exercise. Interval trainer. Calculates speed, pace, distance, running index, target pace, time, total mileage. Displays Time of day with alarm, dual time zone, date and weekday indicator, stopwatch and alarm.