Functional Most Cardiosport heart rate monitors are packed with functional features needed for a total fitness and exercise companion. 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. In order for this wave to travel, the doppler fetal heart rate monitor is aided by particular liquid often a lotion, oil or water. The liquid is applied on the mother s belly that would let the sound waves to travel from the heart of the baby across the belly through the monitor. The doppler fetal heart rate monitor can be used on expectant mothers carrying as early as 10-12 weeks old fetus to the moment you are about to give birth. Polar has specific heart rate monitors for specific activity such as fitness, running, cycling, outdoor, team management, healthy living, and weight management. Polar also has different types of heart rate monitors that are suited for each type of user with different demands. For starters and for those whose demands are only to monitor their heart rate during regular exercise, Polar provides the F series. Nike heart rate monitor is a revolutionary device that would enable you to check the status of your heart every time you demand it. In training, knowing your heart rate draws the line between efficiency and waste of time. Without the Nike heart rate monitor, you might fall short of your target fitness level. 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. 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.