The chest strap transmitter is designed to give total comfort while wearing it. The receiver is designed in such a way that it would look good on every user. The display is in the right size so as even if you re moving, it would be readable. Other feature includes programmable target zone, calorie counter, an alarm, lap timer, clock, and calendar. 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. The F5, F4, F4 female, FS3, FS3c, FS2, FS2c, FS1 plus the F1, F2, and the F3. 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. So to alter this, there Reebok makes strapless heart rate monitor. The Reebok strapless heart rate monitor eliminates the need to wear chest strap. The foundation was prompted by the necessity to have a heart rate monitor that would give her the best result in maintaining her normal weight after giving birth. She realized that the best way to have her weight back was to be conscious about the food she eats and the level of exercise she would take. Accuracy: If you are using your fingers to know what is your current heart rate, you are probably having a difficult time determining your precise heart rate. With the heart rate monitor, you can determine your current heart rate more effectively plus the ease of eliminating the hassle of counting your heart rate with your fingers against time. Although treadmill will give us the total body workout, treadmill is incomplete without the device that gives us report, not on the length we are going but the rate our heart is performing. Yes! Treadmill should have the heart rate monitor. Treadmill heart rate monitor is a device that is attached on a treadmill as an added feature.