The journey to your summit is what it's all about whether it's a mountain or a personal best. The Suunto Ambit3 Peak is your ultimate GPS watch for sports and adventure. It guides you every step of the way, providing all you need to progress and stay safe on your quest. Connect your watch wirelessly to your iPhone and use the free Suunto Movescount App to adjust the watch on the go and visually enrich, relive and share your adventure. There is no better companion out there to make every move count. This kit comes with the Heart Rate Suunto Smart Sensor the smallest Bluetooth Smart compatible heart rate sensor on the market, which measures your heart rate with great comfort and accuracy. While swimming, the sensor stores your heart rate data and transfers it wirelessly to your Ambit3 watch or Suunto Movescount App. Features Route navigation Up to 50 h battery life with GPS Compass Altitude (FusedAltiTM) Sunrise/sunset Temperature Heart rate in swimming Activity based recovery time Speed, pace and distance Bike power support (Bluetooth Smart) Multiple sports in one log Training programs Growing feature set through Suunto Apps Measurements: 50x50x17mm Weight: 92g Heart Rate Suunto Smart Sensor Compact, comfortable fit Compatible with Suunto Movescount App, sports apps for iPhone, Android, and Bluetooth Smart devices Water resistant to 30m / 100ft User replaceable battery Software upgradeable Adjustable strap length; minimum length 600mm, maximum length 880mm Strap width 30mm Weight: 40g With the Suunto Movescount App and smartphone Upload and share your moves instantly Customize your watch on the go Time and GPS satellite data up to date on the go Use your phone as second watch display See calls, messages and push notification