This is because the strapless heart rate monitor requires the user to place two fingers on the monitor s sensor in a specific length of time usually between 4 to 13 seconds. And the reading would only activate if this is done. The electrical stimulation provided by the fingers that is sourced from the heart gives the strapless monitor the right reading on the heart rate. If you are a female, you might have a bit of a trouble finding the right belt chest that could fit you properly. Make sure that before you buy a belt chest heart monitor you ensure that you get the best fit possible since imperfect fit could result to inaccurate heart rate reading. These four might be very basic but could mean efficiency and money worth in the long run. The only difference is that, the treadmill heart rate monitor is attached on the treadmill and could not be carried around wherever you want. Many treadmills today has a built in heart rate monitor. The function conforms to the general use of a heart rate monitor. It keeps you on tract with your heart rate while doing your exercise on the treadmill. Some heart rate monitor can design a specific workout program for the user. This would mean that the heart rate monitor determines how fast, how long, how hard and how much effort the user should exert in order to meet the targeted workout program. And no other exercise equipment could do that except a heart rate monitor. The heart rate monitor watch would even be very effective on regular people who just want to see on their will the status of their heart even if they are not in training or running. Now, people on their way to the office or people waking up early in the morning can access instantly the status of the heart accurately and conveniently. It can also be used anywhere you go whether driving your car or taking a walk to the park. For Reebok heart rate monitors are usually worn on the wrist, there are several features to add more functionality on the device. 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.