Garmin Tread Overland Edition GPS with Sensors - Built for every part of the journey, this rugged all-terrain navigator has the mapping you need to stay on track and communication technology to stay in touch while you’re out there. Unpaved road navigation Custom routing for the size and weight of your rig IP67 weather-resistant Satellite imagery Use Tread app on compatible smartphones to sync data across your various devices InReach technology for global satellite communication included with subcription