Built for the mission. Designed for endurance. The instinct solar - tactical edition is a rugged gps smartwatch that boasts solar charging — giving incredible battery life in smartwatch and expedition modes. This watch is built to u.s. Military standard (mil-std-810) and is water-rated to 100 meters. Dedicated tactical features, such as night vision compatibility, waypoint projection and dual-position gps format, provide a new level of functionality and performance. Other features, such as stealth mode, allow you to go dark by disabling wireless communication and data sharing. Multiple global navigation satellite systems (gps, glonass and galileo) help you track in more challenging environments than with gps alone. All-day health monitoring estimates provides active tracking of your general wellness — helping you to stay ready for anything. Vastly extended battery life through solar charging rugged gps watch is water-rated to 100 meters and constructed to u.s. Military standard 810 for thermal, shock and water resistance built-in 3-axis compass and barometric altimeter plus multiple global navigation satellite systems (gps, glonass and galileo) track in more challenging environments than gps alone dedicated tactical features include jumpmaster mode, waypoint projection, dual-position gps format and preloaded tactical activity go dark with stealth mode to disable wireless communication and data sharing included components: instinct solar; charging/data cable; documentation display size: 1.27 inches