Display: 2.2-inch sunlight-readable, 65K color screen (240 x 320 pixels).Navigation: Built-in 3-axis electronic compass and barometric altimeter for elevation plots and precise orientation.Maps: Comes preloaded with routable TopoActive maps (often tailored to your region, such as TopoActive Africa).Memory: 8 GB of internal storage with a microSD slot for adding more detailed topographic or street maps.Battery: Runs on 2 standard AA batteries, providing up to 25 hours of use in standard GPS mode.Durability: Water-resistant, rugged design that can handle harsh elements.