Designed to help athletes reach their full potential, the Polar Vantage Series of GPS Watches give you the data you need so that you can focus on improving. These watches allow you to train smarter and win. They are designed for pro athletes and for anyone who trains like a pro athlete. They offer 30-40 hour battery life, GPS, barometer, a running program, swimming metrics, waterproof, and much more. If you want to win, you better get this amazing trainer for your wrist. You will get the accurate data that you need to be the best.