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. Features include stop watch between 10 to 100 hours (depending on the model), countdown timer, time control, heart rate training control, energy control, memory samples, lap time memory, EL screen light, ECG accurate heart rate, time in below and above target zone, interval timer, split time memory, changeable transmitter battery, time of day, calendar and alarm. The F5, F4, F4 female, FS3, FS3c, FS2, FS2c, FS1 plus the F1, F2, and the F3. These Polar heart rate monitors are guide users during light exercises. For a more functional heart rate monitor that can either maintain or improve your present health and fitness condition, there are the Polar F6, F6 female, F11, F11 female, F55, F55 female, and the F92ti to help you. The Mio heart rate monitor also removes the probable risk of taking inaccurate reading since improper wearing of the belt can give user wrong heart rate reading. Mio heart rate monitor also has several features that are surely functional. Some of which include the readings on the maximum, minimum and average heart rate. The wrist unit serves as the receiver and displays the data sent by the transmitter. The belt strap heart rate monitor and the strapless heart rate monitor can be used during training. Both have similarities but both present advantages and disadvantages. The belt strap heart rate monitor and the strapless heart rate monitor both can accurately provide the user with accurate heart rate measurement which is impossible with manual method. That is not all; Nike heart rate monitor also comes with several features that would give you more reason to exercise. 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.