Large 3” sunlight-readable color display for easy viewing Enable two-way messaging and location tracking via the 100% global Iridium satellite network, and trigger an interactive SOS to Garmin Response℠, a 24/7 staffed emergency response coordination center (active subscription required; some jurisdictions regulate or prohibit the use of satellite communications devices) Access preloaded TopoActive mapping from Garmin, view satellite imagery, and navigate with multi-band GNSS support and sensors When paired with your compatible smartphone, you can access active weather forecasts and Geocaching Live Use with the Garmin Explore website or app on your compatible smartphone to help you plan trips and more Get access to a wide variety of premium mapping content delivered directly to your device via Wi-Fi technology with an Outdoor Maps+ subscription Internal, rechargeable lithium battery provides up to 165 hours in 10-minute tracking mode and up to 425 hours in expedition mode with 30-minute tracking intervals