It has the mapping you need to stay on track and communication technology to stay in touch while you're out there. Features Riding Tracker for Group GetawaysThe included Group Ride Tracker allows tracking for up to 20 riders with no mobile phone coverage needed. Plus, location sharing and pre-defined messaging lets you easily stay connected with your Group Ride friends. Off-Road RuggednessPurpose-built for all-terrain use, this Tread device stands up to anything the elements can throw at it. It's IP67-rated for water-resistance and built to U.S. military standard 810G for thermal and shock resistance. High-Visibility DisplayWith its ultrabright 8' glove-friendly touchscreen, the sat-nav is designed for easy viewing in bright sunlight or pitch dark. It can be mounted in portrait or landscape mode.