Doppler Fetal Heart Rate Monitor Becoming a mother is one of the greatest things that can happen to any woman. And when she is about to have a child, she would do everything just to make sure that the baby she is carrying in her womb is safe, healthy, and happy. This is the reason why expectant mothers would go to medical centers for regular checkup on the status of the baby inside the womb unmindful of the cost that would take to do it. Basic features: Heart rate monitors most basic feature is its ability to measure the heart rate. And since they are usually worn on the wrist, heart rate monitors also acts as a sports watch. Some have backlights while some have none. Most are water resistant and shock resistant. These basic features might appear on every heart rate monitors on the market so you will not have any problem in these areas. In spite of all these features pilled into one small device, Cardiosport heart rate monitor is very easy to use. The device only shows what is needed on a particular exercise. And with an easy touch in the button, it would display other functions. Stylish Cardiosport heart rate monitor never compromises style. Other heart rate monitors use speed sensors to calculate speed and distance. But the with eh Timex Bodylink system, the distance and speed is calculated with the use of GPS satellite system. There are more significant features Timex heart rate monitors have but the two mentioned above makes Timex apart from other heart rate monitors of any brand. Other heart rate monitors can count the number of calories you are burning and the total calories burned during the duration of exercise. Heart rate monitor of high class has the estimation of VO2 and altitude measurement. Some heart rate monitors have memory banks that would store the data gathered during the duration of the exercise. The main advantage of the belt strap heart rate monitor on training is that the user can have an instant access on the status of the heart anytime he/she wishes to. It provides a continuous reading on the status of the heart which is very reliable during long training duration. Higher end belt strap heart rate monitors can be computer compatible or contain high memory storage capacity that equates to larger room to save data for several days of training.