The memory would be able to record the minimum, average, and the maximum heart rate, the average heart rate per lap, and the time during, below, and under the target zone. With this memory capability, Reebok heart rate monitor would immensely provide you that much needed monitoring of your whole training. Now outdoor enthusiasts will never have to manually check their heart rate with these Polar heart rate monitors. For people who want to mange their weight with the use of Polar heart rate monitor, there are specific models designed for them. These are the WM42, WM41, WM21, and the Polar WM22. And if people who is not very adventurous but want to stay health, Polar has, the M31, M32 M61, M62, A5, A3, F5, F3, F2, and the F1. Its main disadvantage on the other hand could be the inconvenience the strap provides on the user. Since most of this type is designed for male users, women who wish to have the strap belt heart rate monitor during training can have difficulty fitting the right size for them. For the strapless heart rate monitor, the main advantage it presents is the convenience of wearing only the wrist unit. Like what was said, the normal heart rate monitor can provide measurement whenever the user wishes to have it. The strapless heart rate monitor provides an on demand only heart rate measurement. Strapless heart rate monitor does not give a continuous heart rate data and the measurement is only given whenever needed. Buying a Heart Rate Monitor Buying a heart rate monitor would not simply mean searching on a particular brand or the best looking unit in the market. It also does not mean you have to order immediately the particular heart rate monitor recommended by a friend. And, buying would not mean you have to take the top of the line heart rate monitor equipped with complete features and the latest technological breakthroughs. With the heart rate monitor watch, runners, athletes, and trainers would eliminate the need for manual reading. As a result, the heart rate monitoring would be more accurate. People using the heart rate monitor watch can also have an easy access on the status of their heart at any given time they wish to check it.