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. Some would have much while some have less that still depend on the type of heart rate monitor. 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. But sometimes, this type of heart rate monitor can give be very inconvenient to users since the strap may not fit on the chest. This is especially true on heart rate monitors that are only made for males and could not properly fit on the body of the female. And if the chest strap is not fitted properly, inaccuracy in reading the heart rate is very possible. Advanced features include computer compatibility, graphical display, dot matrix display, and PC interface. 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. It uses the same ultrasound technique that has been in existence and trusted by doctors for more than 3 decades so it is proven safe and effective. Most doppler fetal heart rate monitors are battery operated, lightweight, and very portable so you can carry it wherever you go. Some are also compatible with any PC so you can track and record every detail you would get from the monitor. These include calendar, time of day, the current, lowest, average, and maximum heart rate, plus the percentage of the maximum heart rate, target zones, exercise functions, and more. More there is a need to monitor the previous training records, Reebok heart rate monitors add memory as a feature. 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. And by bulk, discount heart rate monitors are given much lower prices on special cases. There are other sites that can give much lower priced heart rate monitor. In most cases, groups such as the police and fire departments could get discount heart rate monitor. A team with member that would get one each is also eligible for discount.