inputs.text: want track activities great way - originally bought use geotagging pictures works great purpose also found even leave camera home fun able load hikes google earth see exactly unit easy use not take long figure gps reception good time problehems canyon high walls surrounding even heavily forested areas gps seehems maintain good lock also sometimes use \\navigate to\\ feature see far away car direction use mac os x search \\gt31 mac\\ find handy automator scripts convert nmea log files device creates gpx files gpx files used sorts web sites google earth obtain statistics hikes see battery life pretty amazing probably get 40 hours use single charge great gps unit would recommend anyone