" Realistic navigation features showing everything from shaded depth contours and coastlines to spot soundings navaids port plans wrecks obstructions intertidal zones restricted areas IALA symbols and morebr Smooth display presentation including seamless transitioning between zoom levels and more continuity across chart boundariesbr Safety shading allows user to enable contour shading for all depth contours shallower than user-defined safe depthbr Fishing charts to help scope out bottom contours and depth soundings with less visual clutter on the displaybr Includes high-resolution satellite imagery aerial reference photography MarinerEye 3-D view FishEye 3-D view and Auto Guidance technology Also compatible with Garmins HomePort software br Garmin BlueChart g2 Vision New York to Chesepeake Saltwater Map microSD Card"