... and provide the necessary features for data collection and mapping including point, line and area data capture, import and export to MIF ... , Lithium, USB, vehicle power adapter, AC adapter. User data compatibilityExport and import user data from gpx, shp, MIF to NAVA proprietary format ... CalculationYesCoordinate SystemWGS84, UTM, Preset Multi coordinate systems, User Grid CHEAP HANDHELD GPS