Polar RS800 Heart Rate Monitor

At the heart of your training lies the RS800CX wrist unit. With the ability to record a wide range of performance details, the unit works with the WearLink+ transmitter W.I.N.D. to provide you with the most accurate measurement of your heart rate. This kit at the most basic level is compatible with all W.I.N.D. sensors, so you can create and build on your training system to keep up with all your training challenges - now and in the future.