GeneralLens Materialchemically strengthened glassDimension2.65" x 7" x 1.7" (6.75w x 17.8h x 4.4d cm)Weight9.59 oz (272 g)Water ratingIPX7MIL-STD-810yes (thermal, shock, water)Display Typetransflective, 65K color TFTDisplay Size1.5"W x 2.5"H (3.8 x 6.3 cm); 3" diag (7.6 cm)Display resolution240 x 400 pixelsBattery Typerechargeable, internal lithium-ionBattery lifeup to 35 hours at 10-minute tracking; up to 200 hours at 30-minute tracking (power save mode)Memory/History16 GB (user space varies based on included mapping)Interfacehigh speed microUSB and NMEA 0183 compatible Maps & MemoryPreloaded mapsYes (BlueChart® g3 included)Ability to add maps Basemap Map segments15,000Satellite Imageryyes (direct to device)Includes searchable points of interests (parks, campgrounds, scenic lookouts and picnic sites)Yes (downloadable from Garmin Express™)Displays national, state and local parks, forests, and wilderness areasYes (downloadable from Garmin Express™)External memory storageyes (32 GB max microSD™ card)Waypoints10,000Waypoints/favorites/locations10,000Courses250, 200 course points per courseTracks250Navigation Track Log20,000 points, 250 saved gpx tracks, 300 saved fit activitiesActivities Navigation Routes250, 250 points per route; 50 points auto routingRinex logging SensorsGPS Galileo Barometric altimeter CompassYes (tilt-compensated 3-axis)High-sensitivity receiver GPS compass (while moving) Daily Smart FeaturesConnect IQ™ (downloadable watch faces, data fields and apps) Smart notifications on handheld Weather forecasts Weather Compatible with Garmin Messenger app VIRB® Remote Pairs with Garmin Connect™ Mobile Safety and Tracking FeaturesLiveTrack Tactical FeaturesXERO™ Locations Outdoor RecreationPoint-to-point navigation TracBack® Area calculation Fish forecast Sun and moon information Geocaching-friendlyyes (Geocache Live)Custom maps compatibleyes (500 custom map tiles)Picture viewer LED beacon flashlight inReach® FeaturesInteractive SOS Weather Send and receive text messages to SMS and email Send and receive text messages to other inReach device Send and receive group messages Exchange locations with other inReach device MapShare compatible with tracking Virtual keyboard for custom messaging Send waypoints to MapShare during trip Send route selection to MapShare during trip inReach remote compatible Outdoor ApplicationsCompatible with Garmin Explore™ app Garmin Explore website compatible Smart switching between Wi-Fi, Cellular and Satellite with Garmin Messenger app ConnectionsWireless ConnectivityWi-Fi®, Bluetooth®, ANT+®