Garmin BlueChart g3 Vision VUS007R, Norfolk-Charleston Brand New Includes One Year Warranty Product # 010-C0708-00 microSD/SD Card Replaces Product # 010-C0342-00 microSD/SD Card Product # 010-C0021-00 Datacard The Garmin BlueChart g3 Vision VUS007R navigation software contains detailed and updated coastal coverage charts of Norfolk to Charleston 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 Vision 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. The High-resolution Satellite Imagery with navigational charts overlaid gives you a realistic view of your surroundings. Unique 3D Views like MarinerEye and FishEye provide additional perspective, both above and below the water line. This map provides coverage of Newport News, VA to Charleston, SC including Pamlico Sound, Cape Lookout, and Cape Romain. BlueChart g3 Vision VUS007R Features Norfolk to Charleston Digital Map Premier 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 High-resolution Satellite Imagery High-resolution Relief Shading Combines Color and Shadow to Give You an Easy-to-interpret, Clearer View of Bottom Structure than Contour Lines Alone FishEye MarinerEye View NOAA Raster Cartography Paper Chart-like Views of NOAA-Surveyed Areas Available As Free Download Via ActiveCaptain App Industry-Leading Clarity Detailing