Tread is built to withstand extreme terrains, temperatures and weather. It features a 5.5" glove friendly touchscreen with built-in Altimeter, Barometer, Compass and Pitch and Roll gauges. Navigator includes topographic maps of North and Central America, public land boundaries, U.S. Forest Service roads and trails with Motor Vehicle Use Maps. Includes downloadable high-resolution Birdseye Satellite Imagery via Wi-Fi® directly to Navigator at no extra cost. Use the Tread app to sync your waypoints, tracks, routes and collections across devices, plus get easy GPX Import / Export and access to live weather. Stay connected to your friends with the Group Ride Radio for up to 20 riders - No cell signal is required. Value packed features include: 5.5 inch glove friendly touchscreen. Group ride radio. Preloaded topographical maps. Powered mount.