Garmin BlueChart g2 Vision Walkers Cay to Exuma Sound Saltwater Map microSD Card<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>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 more</li><li>Smooth display presentation including seamless transitioning between zoom levels and more continuity across chart boundaries</li><li>Safety shading allows user to enable contour shading for all depth contours shallower than user-defined safe depth</li><li>Fishing charts to help scope out bottom contours and depth soundings with less visual clutter on the display</li><li>Choice of standard 2-D direct overhead or 3-D "over the bow" map perspective to make chart reading and orientation easier. Also compatible with Garmin's HomePort trip-planning software.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51l4SPe8UqL.jpg" noproxy>