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