The Suunto Ambit2 S GPS Outdoor Watch With Heart Rate Monitor is an all-in-one GPS enabled watch for athletic explorers. Altitude, location, speed, heart rate, weather conditions - it’s all at your fingertips. The screen can be switched from light to dark background for optimal visibility or stealth mode. Durability and precision are the essence of Suunto Ambit 2s. Advanced features suit both on and off-season activities for the hardcore explorer. The Ambit features a 3D Compass, a very high sensitivity Integrated GPS that is combined with an acceleration sensor for increased accuracy, Route creation and navigation based on waypoints, Points of Interest storage, all in a BuiltToLast casing designed to withstand mechanical shocks and scratching. With this kit's included heart rate monitor the Ambit can provide you with your Peak Training Effect and Recovery Time. This watch has features that can take you to the top of your game no matter what your sport. It has features tailored to running, swimming, cycleing, and climbing. There are also Thousands of Suunto Apps available to add new features to your watch.