Polar's RC3 GPS HR is a great tool for athletes who are looking to get more from their training. GPS recording and the ECG-accurate heart rate monitor give you the power to analyze every detail of your ride for a complete picture of your training, whether running, hiking, or cycling. There is also a visual alarm that alerts you when you're within your heart-rate based target zones. Plus, you can view your current, average and max speed or pace. And, you can transfer your data to your PC, then plan, analyze and dial in your training online at polarpersonaltrainer.com.