For this product multisport athletes and triathletes have been waiting for: the polar RCX5 trainings computer. With new features that allow training to plan more precisely and analyze. The zone around optimizer adapted to each training heart rate zones and makes each unit more effective. Also new is the WearLink + hybrid transmitter, which measures the heart rate without interference, even in the water. Sport profiles enable rapid switching between the different sports. The race pace function helps you to control your speed and reach your set time limit. In set with WearLink + hybrid transmitter and S3 running transmitter.