FEATURES: Easy to Read Display gives you a digital compass with both latitude and longitude coordinates. Built-in Digital Compass With Temperature, Time, Barometric Pressure, and Elevation Provides the Best day or times of day to Hunt or Fish based on moon phases Glove Friendly Buttons Includes tether and carabiner to connect to your backpack, belt or jacket. Use the on-screen map to see your waypoints and also where you've been with the breadcrumbs No expensive batteries required with the BackTrack Mini. Simply charge it with any Micro USB and you're ready to go. SPECS: Up to 24 Hours of Battery Life IPX7 Waterproof Display Size: 2.25"