Heart Rate Monitors is device used for personal monitoring that allows to measure hear rate of the patient in record the real time for studying the heart rate for treatment. Early Heart Rate Monitors are designed with a monitoring box comprising a set of electrodes leads that is attached to the chest. These monitors are fabricated with basic two elements including wrist receiver and a chest strap transmitter. There are also a Strapless Heart Rate Monitors having two sensors having a wristwatch display that allows getting a view of heart rate. There are also advanced models available in the market based on the comfort and ease of the use.