Garmin BlueChart® g3 Vision® HD VUS030R Southeast Caribbean Brand New Includes One Year Warranty Product # 010-C0731-00 (SD Card) The Garmin BlueChart® g3 Vision® HD VUS030R navigation software contains detailed and updated coverage charts of Southeast Caribbean. The charts have up to 1 foot contours that provide a more accurate depiction of the bottom structure for improved fishing charts and navigation. It employs Auto Guidance Technology that quickly calculates a suggested route using your boat s dimensions and a suggested path to follow. BlueChart® g3 Vision® HD features 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. Unique 3D Views like MarinerEye and FishEye provide additional perspective both above and below the water line. This map provides coverage of the Caribbean from Haiti to Trinidad & Tobago including Puerto Rico and all of the Lesser Antilles. It also includes the Colombian and Venezuelan coasts from Barranquilla Colombia to the mouth of the Orinoco River including Lake Maracaibo and the Gulf of Paria.. BlueChart® g3 Vision® HD VUS030R Features: Southeast Caribbean Digital Map Detailed and Updated Coverage Charts Up to 1-foot 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 Auto Guidance Technology - Quickly Calculates a Suggested Route Using Your Boat s Dimensions and a Suggested Path to Follow MarinerEye View - Provides a 3-D Representation of the Ocean Floor as Seen from Below the Waterline FishEye View - Provides a 3-D Representation of the Surrounding Area Both Above and Below the Waterline Aerial Photography - Shows Exceptional Detail of Many Ports Harbors and Marinas High-resolution Satellite Imagery - Gives You a Realistic View of Your Surroundings