With comprehensive charts, HD contours, 3D viewing and one year of free daily updates and communityedits, Navionics Platinum+ is so much more than a map!Always know precisely where you are when you use Navionics Platinum+ cartography on your boat. With constantlyupdated maps, community edits, high-resolution photo and chart overlaying and geo-referenced coast pilots, youcan feel secure on all your boating adventures.Multi-dimensional charts give you navigating confidence even in unknown waters.Detailed Contour Data gives you a clear view of whats under your boat to increase your situationalawareness and provide you with an edge when fishing.Satellite Overlay and Coastal points- of-interest give you a commanding view of features above the water.Exclusive Platinum features like 3D view, chart and photo overlay abilities, geo-referenced data and more giveyou more tools to make each boating adventure exceptional.One Free Year of daily updates to Nautical Chart, Sonar Chart and Community Edits gives you peace of mind in anever-changing world.CoverageLake Erie and Saint ClairKey FeaturesPrecision and Accuracy: View the exact position of your vessel, detailed coastal features, obstructions,waterways, and depth contours so you will always know precisely where you are and where you want to go.Advanced Features: 3D view, high-resolution photo/chart overlay, port photos, and geo-referenced coast pilotsare all part of the Navionics Platinum+ package.SonarChart: With high-definition 1 bathymetry nearshore and 3 – 6 contours offshore beyond 90, you will get aclear view of the underwater landscape. Add your own sonar data to the mix and create detailed maps of yourfavorite routes and anchorages.More than Maps: To ensure the best boating experience, Navionics Platinum+ doesnt stop at maps and viewpoints.Port services information and local tides and currents are included on this card so youll have access to allthe data you need to make each voyage a success.Community Edits: Corrections, adjustments, and additions made by the boating community can be