This version of the Polar RC3 GPS Heart Rate Monitor Bike Watch features the new firmware update which using GPS data can provide altitude/elevation info for all your adventures. The watch has a variety of performance logging features, the 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 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. The product also comes with a universal bike mount for fixing securely to your bike. Also in the box you'll find a Cadence Sensor which works in tandem with you HRM and GPS watch to give you comprehensive feedback on your speed, wind-speed and other details. In the Box: Polar RC3 GPS Training Computer Polar H3 heart rate sensor USB cable Polar CS cadence sensor W.I.N.D Universal Bike Mount CS cadence sensor W.I.N.D. User Manual RC3 GPS getting started guide Features include: - GPS Sensor - Altitude Sensor - Zone Optimiser - Altitude Sensor - Rechargeable battery - Race Pace - Endurance Programme - Sport Profiling - Cadence Sensor - Altitude Sensor - Heart Rate in Water - Calorie Counter - Slim Lightweight Design - Body Measurement Features - Average and maximum heart rate of each lap - Average, minimum and maximum heart rate of training - Data Transfer - Compatible with Mac (Intel-based) via USB cable - Compatible with PC via USB cable - Compatible with polarpersonaltrainer.com via USB cable - Recording Features - Totals - Up to 99 Training