Altimeter - Altitude, GPS, Compass Mobile Application - Youcaninstantly see the coordinates and Altitude of your position -Youcan determine your direction with a compass feature - Youcanautomatically track your location on the map with tracking mode-You can share location and altitude information. Note: Altitudeandposition information is calculated from the GPS sensor ofthedevice; Therefore, it may vary depending on the quality ofGPSsignals.