PM 90 is an ECG - precise heart rate measurement monitor with digital transmission which is interference free from other runners. It shows calorie consumption in kcal and fat consumption in g. It calculates basic metabolic rate and active metabolic rate in kcal. The features include the details of date, time, stopwatch, lap times, average and maximum heart rate, bicycle mounting bracket, automatic training zone suggestion, fitness test, altitude measurement, and software EASYFIT for training planning/monitoring and weight management. It is PC interface friendly and comes with an illuminated display. For rough usage it is made waterproof, accompanied by a storage box.