Garmin BlueChart g3 HXEU050R, Gulfs of Finland Riga Brand New Includes One Year Warranty Product # 010-C0786-20 microSD/SD™ Card Product # 010-C0786-10 Datacard The Garmin BlueChart g3 HXEU050R navigation software contains detailed and updated coastal coverage charts of Gulfs of Finland Riga, with integrated Garmin and Navionics data. The charts have up to 1 ft contours to display a more accurate, enhanced and detailed picture of the bottom structure including that of swamps, canals, and marinas. It employs Auto Guidance Technology that uses the desired depth of the user and the overhead clearance to calculate a route and suggest the user a path to follow. BlueChart g3 coastal charts feature up to 10 depth ranges as a part of its high-resolution Depth Range Shading, letting users clearly see their target depth. With Shallow Water Shading, the charts further allow using shading to mark shallow water depths that the user might need to avoid. NOAA Raster Cartography gives the chartplotter paper-chart-like views of NOAA-surveyed areas having point-of-interests marked with corresponding longitude and latitude information. This map provides coverage of the Gulf of Finland from land to and including St. Petersburg, RU. It covers the Gulf of Riga and the northern half of Lake Preipus including coverage of the cities of Turku, Helsinki, and Kotka, FI; Vyborg, Kronshtadt and Lomonosov, RU; Tallinn, Estonia; Riga and Ventspils in Latvia. BlueChart g3 HXEU050R Features Gulfs of Finland Riga Digital Map Unparalleled Coastal Chart Coverage Up to 1' Detailed Contours More Accurate Picture of Bottom Structure Improved Fishing Charts Navigation Enhanced Detailing in Swamps, Canals, Marinas Port Plans High-Resolution Depth Range Shading Up to 10 High-Resolution Depth Ranges Displays Shaded Target Depths Shallow Water Shading Allows Map Shading at User-Defined Depth Clear Display of Shallow Waters to Avoid Auto Guidance Technology Uses Desired Depth Overhead Clearance to Calculate Route Suggest Path to Follow Integrated Garmin Navionics Data NOAA Raster Cartography Paper Chart-like Views of NOAA-Surveyed Areas Marked Individual Points-of-Interest Longitude Latitude Information f/ Points-of-Interest Available As Free Download Via ActiveCaptain App Industry-Leading Clarity Detailing