POI Navigation:Mark POI for navigation.Users through this application can easily find their way back no matter where they are; easy to find friends in crowded places or a vehicle in a parking lot and much more. Routes and Tracks:Import Routes and Tracks from Google Maps KML file for Mavigation. Track Record: After ositioning, the device starts recording. Users can store the tracks in the internal memory and export them to Google Earth for viewing. Sun and Moon: Users through GPS can calculate sunrise, sunset, moonrise and moonset times at their current position and also have information on the moon phases at a selected time, date and location. Trip Odometer: The device can provide for user's current trip average speed, maximum speed, exercise time, mileage and other travel information. Stopwatch Timer: Users can record some stopwatch data. Area Measurement: GPS100C can measure the area and show the shape of any shape including lakes, grasslands, pastures, farmland, orchards, etc.