Delta is the multisport GPS smartwatch that passes military standards (MIL-STD-810G). Here are just some of the features you can find on this great watch: ; A premium design built to military standards (MIL-STD-810) ; Night Vision - Easily switch between daytime view and nighttime view with a screen that can be read by night vision goggles ; 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 ; Kill Switch - If security becomes an issue, the kill switch wipes the device of all user memory ; Stealth Mode - Enable stealth mode to stop storing and sharing your GPS position and disable wireless connectivity and communication ; Projected Waypoints - Set and save remote geo positions to be used later for navigation ; Smart notifications ; see the calls, emails, texts and other notifications from your phone displayed on the watch dial screen (compatible with iPhone and Android) ; ABC Sensors - Navigate your next trail with ABC sensors, including an altimeter for elevation data, barometer to monitor weather and 3-axis electronic compass ; Expedition Mode - Trek far and wide between recharges. Expedition mode, an ultralow-powered GPS reference, lasts for weeks. ; Music ; store up to two thousand songs or steam music from apps ; Wellness monitoring tools ; enhance your wellness with features such as stress tracking, heart rate monitoring, etc. ; Turn-by-turn navigation, round-trip routing, topoactive Europe and ski maps and similar features make your adventures even more fulfilling ; Sports ; preloaded activity profiles for trail running, swimming, running, biking, hiking, rowing, skiing, golfing and more ; Animated Workouts - this watch features easy-to-follow, animated cardio, strength, yoga and Pilates workouts you can view on the watch screen ; Wrist-based heart rate monitor, PacePro technology, Pulse Ox Sensor, Respiration Tracking, Power Manager ; This watch has a battery life of up to 12 days in normal mode (28 hours in GPS mode). This watch's internal, rechargeable lithium battery provides up to 21 days of battery life in smartwatch mode, 15 hours in GPS mode with music and up to 80 days in battery saver mode. So don't delay and grab it now! Please note, it's possible that this item is ex-display and may show signs of wear and tear.