A great gift for runners and those trying to get in shape. It is a watch that is also a heart rate monitor. Has an elastic chestband to count the heart beats per min.
Timex T5G941 is the top 5 basic heart rate monitor that you can change the battery yourself. You should read buyer guide at http://www.coolcheapest.com/HeartRateMonitors.aspx before buy it. Buyer guide will compare among heart rate monitor and recommend the higher model suitable to you. You can compare Timex T5G941 with others at http://www.coolcheapest.com/HeartRateMonitors/2763--Timex_T5G941_Heart_Rate_Monitor.aspx