The 900PP MSD - West Great Lakes provides the most advanced multidimensional charts available. You'll get comprehensive nautical charts, the incredible fishing detail of SonarCharts™ HD bathymetry maps and community edits. Enhance SonarCharts with sonar logs you collect. Exclusive features include 3D views, high-resolution photo/chart overlay, port photos and geo-referenced coast pilots. Register for one year of free updates. Coverage Area: Michigan, Superior, Huron, Lake of the Woods, Rainy Lake, North Channel, Georgian Bay, Green Bay and Lake Winnebago. Featuring: • Max detailed charts for cruising, fishing and sailing! • Covers marine areas and a growing list of lakes! • Nautical Chart, SonarChart™ and Community Edits • Daily Updates for one year **For the Raymarine Customers with R17 software -- Did you know that you can have the NEW Dock to Dock Autorouting from Navionics on your Raymarine?! Also, this software version is compatible with ALL Platinum+ and Navionics+ Products!**