Explore confidently with the reliable handheld GPS 2.2” sunlight-readable color display with 240 x 320 display pixels for improved readability Preloaded with Topo Active maps with routable roads and trails for cycling and hiking Support for GPS and GLONASS satellite systems allows for tracking in more challenging environments than GPS alone 8 GB of internal memory for map downloads plus a micro SD card slot Battery life: up to 25 hours in GPS mode with 2 AA batteries