Instinct E is the supertough smartwatch that gets up to 14 days of battery life. It includes essential features such as smart notifications and Connect IQ Store compatibility. It also features 24/7 health and wellness tracking with wrist-based heart rate, advanced sleep monitoring, Pulse Ox and more (this is not a medical device, and data presented is intended to be a close estimation of metrics tracked; Pulse Ox not available in all countries). With its high-strength case and scratch-resistant lens, the Instinct E smartwatch can take on your toughest adventures. Its engineered to MIL-STD-810 for thermal and shock resistance and is also 10 ATM water-rated. Specifications for Garmin Instinct E GPS Watch: Manufacturer: Garmin Application: Tactical Gender: Unisex Battery Type: Lithium Ion Case Material: Fiber-Reinforced Polymer Bezel Finish: Fiber-Reinforced Polymer Band/Strap Material: Silicone Wrist Band Type: Strap Water Resistant Mark: 10 atm Weight: 48 g Features of Garmin Instinct E GPS Watch Make a bold statement with this rugged, GPS smartwatch, featuring up to 14 days of battery life 10 ATM water-rated and engineered to MIL-STD-810 for thermal and shock resistance Know your body better with health monitoring features, including wrist-based heart rate, advanced sleep monitoring, Pulse Ox and more (this is not a medical device, and data presented is intended to be a close estimation of metrics tracked; Pulse Ox not available in all countries) Navigate confidently with a 3-axis compass, barometric altimeter and multi-GNSS support Stay connected with smart notifications and Connect IQ Store integration, which allows you to download new apps and watch faces (when paired with your compatible smartphone) Safety and tracking features include incident detection (during select activities) and Assistance, both of which call or send a message with your live location to emergency contacts when paired with your smartphone; requires setup and your smartphone to be in an area with network coverage where data connectivity is available Sync the Instinct E smartwatch with the Garmin Connect smartphone app, and get more details on your health and fitness data plus personalized insights and more Package Contents: Garmin Instinct E GPS Watch 3-axis Compass Barometric Altimeter Multi-GNSS