Since every heart rate monitor in the market is designed for a particular type of need, this must be your first consideration. Determine if you are using it for swimming, biking, running, or plain exercising. This would greatly narrow down your list of possible heart rate monitor. For beginners of course, there are particular heart rate monitors that are not complicated and not expensive. Heart rate monitor can also provide you with summary of the last exercise and the previous exercises with its memory storage capacity. Some heart rate monitor can also download and upload data to and from the computer for much better heart rate monitoring and other important information you need to know about your exercise. Meaning, whether you are in a beginner, mid-lever or high intensity level, the Reebok heart rate monitor would adopt to your fitness level. This is possible through an alarm, both audio and visual, that would send a signal if you are out of your set zone. However, Reebok heart rate monitor does not only serve individuals on training. Others are computer compatible which means you can store the data of your every workout on your computer for easier monitoring and better analysis and progress tracking. The type of heart rate monitor with this feature is much expensive. There are two components of a heart rate monitor: the wrist display and the chest strap. Features include stop watch between 10 to 100 hours (depending on the model), countdown timer, time control, heart rate training control, energy control, memory samples, lap time memory, EL screen light, ECG accurate heart rate, time in below and above target zone, interval timer, split time memory, changeable transmitter battery, time of day, calendar and alarm. This is offered at lower prices for special group of people or institution. Several stores and sites offer discount on heart rate monitor on all models whether the unit is old or new. Also, others might give discounts on heart rate monitors because there are newer models to be released and the older ones must be disposed immediately.