Military Standard Quality TANK S2 rugged smart watch is equipped with the third-generation Corning Gorilla screen, which is thick enough to handle a range of screen-breaking behaviors. This women smart watch built to military standards. Having successfully passed 15 military-grade tests, Enhancing the durability, wear resistance, and salt spray resistance of the touch screen and keys of the TANK S2. No matter where your adventure takes you, it can fight side by side with you and resist all kinds of dirt, sweat, pressure and load. Built-in GPS & Altitude Pressure Compass This outdoor smart watch built-in GPS, which works with 6 Satellite Positioning Systems for reliable coverage, and picks up L1 and L5 satellite signals to maintain signal strength and consistency, allowing you to accurately track your activity routes, planned route returns, and your activity data can be shared through the KOSPET FIT App. It also includes an internal compass, altitude pressurization and altimeter sensor that displays your current location altitude and barometric pressure.