The Polar RS100 is a great model for beginning runners who want to run in your defined heart rate. The tone is very helpful - without having to constantly look at the clock shows the current status you Ramparts with the correct pulse rate! Easy Handling. Super overview on the display. In addition, the station also connects with equipment in the gym - through coded transmitter interference of other runners is excluded !!! In addition, the Replace the batteries at the clock, and the WearLink belt is quite easy to make yourself! I would definitely buy again - great value for money
