GARMIN GPSMAP 64ST Preloaded TOPO Europe maps High-sensitivity GPS/GLONASS receiver with quad helix antenna for faster and better positioning performance Garmin’s outdoor-optimized dual battery system allows the use of either a Garmin NiMH battery pack or conventional AA batteries. Built-in internal memory includes 4GB for 64/64s and 8GB for 64st. All models also feature a microSD card slot for additional memory. The 64 series allows storage of a total of 5,000 waypoints 250,000 preloaded worldwide geocaches from Geocaching.com, plus additional storage space and new tools such as advanced filtering and deletion Download a huge number of geocaches to your GPSMAP 64 and find all the information that you need to find the cache on your device – no additional notes needed. Outdoor-optimized, 2.6’’ sunlight-readable 65k color display Button-based user interface for safe operability in most demanding environment Rugged, lightweight, and water resistant (IPX73) Add more maps, such as detailed topographic, marine (BlueChart® g2), and road maps (City Navigator® NT). You can also download BirdsEye Select maps and Garmin Custom Maps directly on your handheld Connect wirelessly through your smartphone and BaseCamp Mobile app or Garmin Connect Mobile app2 and pair with optional ANT +™ sensors, such as heart rate monitor, tempe™ temperature sensor, foot pod, speed/cadence or use it to control your VIRB™ action camera Connect through your smartphone1 and the Garmin Connect app to share your experiences live with family and friends through LiveTrack. Includes a free one year subscription of BirdsEye Satellite Imagery service: simply download using Garmin’s free planning software BaseCamp™ For precise elevation reading and detailed elevation profiles Provides accurate direction even while standing still – compass works in any position 100k topographic map for Europe with street network, land coverage, contour lines and digital elevation model (64st) all models preloaded with shaded relief worldwide basemap