Polar RC3 bike GPS sports watch. GPS enabled running and cycling watch. Tracks route, speed and distance. Integrated GPS for route mapping and distance data. Polar Fitness Test measures aerobic fitness. Smart Calories shows how many calories you have burned. Bike settings for up to two bikes. Cadence tracker for current, average and maximum achievements ? Running Index scores your performance. Training Benefit gives instant feedback after each training session. The Polar RC3 GPS heart rate monitor and sports watch is an ideal cross training partner for runners and cyclists to improve their training, fitness and make the most out of each session. The integrated GPS system tracks your route, speed and distance using a built-in tracker. Main features include, route mapping, "Back to Start" programming, distance measurement and performance measurement index. The watch offers immediate feedback after your training, giving in-depth info and analysis review after each session, and for even more detailed feedback, you can visit polarpersonaltrainer.com. The on-board CPU can also measure your performance and give you feedback on how much you've improved and performed against previous training. Calculated after every session, the Running Index will even tell you, based on your GPS and HRM data when to put in more effort to make your training as efficient as possible.