Garmin Instinct GPS Watch Tundra 1.27"

Rugged GPS watch built to withstand the toughest environments.Supported Application:GPS,Fitness Tracker,Heart Rate Monitor,Sleep Monitor. Connectivity technology:GPS. Wireless comm standard:Bluetooth,Constructed to U.S. Military standard 810G for thermal, shock and water resistance (rated to 100 meters),Built in 3 axis compass and barometric altimeter, plus multiple global navigation satellite systems (GPS, Glonass and Galileo) support helps track in more challenging environments than GPS alone,Monitor your estimated heart rate, activity and stress Train with preloaded activity profiles,Stay connected with smart notifications (with a compatible smartphone) and automatic data uploads to the Garmin connect fitness community,Use the Tracback feature to navigate the same route back to your starting point Use the Garmin explore website and app to plan your trips in advance,Battery life: Up to 14 days in smartwatch mode, upto 16 hours in GPS mode, upto 40 hours in Ultratrac battery saver mode