Garmin GPSMAP 66i GPS Handheld and Satellite Communicator 0010-02088-01 Trigger an interactive SOS to the GEOS 24/7 search and rescue monitoring center; two-way messaging via the 100% global Iridium satellite network (satellite subscription required) Preloaded Garmin TOPO mapping with direct-to-device Birdseye Satellite Imagery downloads (no annual subscription); includes multiple Global Navigation Satellite Systems (GNSS) support and navigation sensors Cellular connectivity lets you access Active Weather forecasts and Geocaching Live Compatible with the Garmin Explore website and app to help you manage waypoints, routes, activities and collections, use tracks and review trip data from the field Internal, rechargeable lithium battery provides up to 35 hours of battery life in 10-minute tracking mode and 1-minute tracking mode (display off); 200 hours in Expedition mode with 30-minute tracking Included in this exclusive GPS City bundle: Garmin GPSMAP 66i GPS Handheld and Satellite CommunicatorGarmin's AMPS Powered Mount 010-12825-00USB cable Carabiner clip Documentation>