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. Heart rate monitor keeps every second of exercise count with its ability to measure the highest peak wherein the body could have the most efficient workout. Memory: To be able to record the data of your previous training, you should need a heart rate monitor that has a good memory storage capacity. It is important to note that the lesser memory size can normally record 1 to 2 training sessions while heart rate monitors with large memory storage can record multiple heart rate data. Heart rate monitors come is different form but the most common is the belt chest heart rate monitor. The belt chest heart rate monitor however does not stand by itself. Since the belt chest contains sensor and a transmitter, and transmitters should have a receiver counterpart, the belt chest heart monitor needs a receiver in the form of the wristwatch. 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. Reebok heart rate monitor can also be used at home where you need to monitor your heart rate. It can also be used anywhere you go whether driving your car or taking a walk to the park. For Reebok heart rate monitors are usually worn on the wrist, there are several features to add more functionality on the device. As a result, the user can eliminate the risk of over-training or under-training which is very possible without a heart rate monitor watch. So, every effort the user would make would mean greater effectiveness on his part. The heart rate monitor watch would even be very effective on regular people who just want to see on their will the status of their heart even if they are not in training or running.