You’ve never been one to follow the beaten path — that’s where Instinct comes in. This rugged GPS watch is mission-ready and built to withstand the toughest environments. Durable Case And Display - The fiber-reinforced polymer case adds durability, and the chemically strengthened, scratch-resistant display is high contrast and sunlight readable. Purpose-Built Bands - Fully vented silicone bands include 2 independent, removable keeper loops to ensure a secure fit and to keep you from getting caught on things. Military Standard 810 - Instinct is built to the U.S. military standard 810 for thermal, shock and water resistance (rated to 100 meters). Battery Life - Internal, rechargeable lithium battery provides up to 14 days in smartwatch mode, up to 16 hours in GPS mode and up to 40 hours in UltraTrac™ battery saver mode. Stealth Mode - Enable stealth mode to stop storing and sharing your GPS position and disable wireless connectivity and communication. Jumpmaster Mode - This feature works to calculate high-altitude release points according to military guidelines and helps to navigate you to your objective once you’ve jumped. Projected Waypoints - For added peace of mind, you can create a waypoint to mark the location of your vehicle before you start your trip. Dual-Format GPS - Dual-format GPS coordinates with latitude and longitude references offer unparalleled situational awareness. Night Vision Compatibility Mode - Easily switch between daytime view and nighttime view with a screen that can be read by night vision goggles. Multi-Gnss Support - Access multiple global navigation satellite systems (GPS, GLONASS and Galileo) to track in more challenging environments than GPS alone. ABC Sensors - Navigate your next trail with ABC sensors, including an altimeter for elevation data, barometer to monitor weather and three-axis electronic compass. Tracback® Routing - Take the guesswork out of your return journey by using this feature to navigate the same route back to your starting point. Wrist-Based Heart Rate - Enhanced optical heart rate1 technology gauges the intensity of your fitness activities. Stress Tracking - Heart rate variability is used to calculate your stress level score, so you can see if you’re having a calm, balanced or stressful day. Built-In Sports Apps - Use preloaded activity profiles for running, hiking, mountain biking, swimming and more. Smart Notifications - Receive emails, texts and alerts right on your watch when paired with a compatible smartphone. You can even respond to texts if you have an Android™ phone. Pair for Satellite Communication - Pair Instinct with select inReach devices (sold separately; active satellite subscription required) to view and send messages, get weather alerts on your wrist and trigger an SOS to the GEOS 24/7 emergency response team. Pair With Dog Tracking Devices - Connect with Astro® or Alpha® dog devices to receive dog status updates and alerts right on your wrist. PHYSICAL SIZE: 45 x 45 x 15.3 mm - Fits wrists with a circumference of 132-224 mm. DISPLAY SIZE: custom, two-window design; 0.9” x 0.9” (23 x 23 mm). DISPLAY RESOLUTION: 128 x 128 pixels. DISPLAY TYPE: monochrome, sunlight-visible, transflective memory-in-pixel (MIP). WEIGHT: 52 g. BATTERY LIFE: Smartwatch mode: Up to 14 days - GPS mode: Up to 16 hours - UltraTrac™ mode: Up to 40 hours. WATER RATING: 10 ATM. MEMORY/HISTORY: 16 MB. CONNECTIVITY: Bluetooth®, ANT+®. SMARTPHONE COMPATIBILITY: iPhone®, Android™.