Expanded features: While it is advisable for beginners to get the basic heart rate monitor and work from there, others might be very eager to try higher-end heart rate monitors with calorie counters, built-in training program, and built-in trainer-like features that would guide user throughout the whole training, the choice is still up to you. 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. Another unique feature of a heart rate monitor that surpasses the ability of a private fitness instructor is its capability to count the number of calories burned during the whole exercise plus the capacity to estimate the percentage of the fat burned. Heart rate monitor can also provide you with summary of the last exercise and the previous exercises with its memory storage capacity. Running is the best form of exercise for it enables the every muscle to move. And when we talk about running we often talk about treadmills. Not only it provides a better tool to keep track of our training, treadmills give us the convenience of being inside a safe room. With treadmills, we would not require ourselves to wear training clothes suitable for the summer days. This has several functions and features including the ability to send several exercise data like calorie burned, percentage of fat burned, and more to include time telling. These two parts work hand in hand to give an accurate heart beat rating. But then most heart rate monitors use analog signal which is indeed accurate. It is given that most heart rate monitors are designed for men so the size of the strap would not easily fit to the women s. And if the strap would not fit properly, there is a great tendency for inaccurate reading. The next thing to consider is the display. You have to take into account the when you are training, either you are running, swimming, biking or on a treadmill, you are making great body movements.