A true success that Polar G1 GPS. Simply activate the GPS on the watch (settings) and turn on the Polar G1 GPS. A few seconds are enough for the satellite link and the connection with your Polar watch happen. As a result, distance, speed km / h, the total distance is displayed accurately. Even in cloudy weather, in the forest or even on a very overcast (rain) it works smoothly and captures the satellite and never answers. A real need that wants to optimize its foot race outings, bike, boat etc