Plug a BlueChart g2 Vision SD data card into your chartplotter, and you'll get a whole new perspective on nautical navigation. BlueChart g2 Vision offers the same rich detailed charting of BlueChart g2 to help you get the most out of your unit. In addition, g2 Vision features a growing database of high-resolution satellite imagery, above and below the water 3D perspective, auto guidance technology, aerial photographs for real world reference and coastal roads with points of interest. PRODUCT FEATURES: Detailed coverage of lakes Vanern, Vattern, Mjorn, Sommen, Nommen, and Bolmen, as well as the coast of Sweden from Stromstad to Halmstad; Also contains coverage of the Danish coast from Hirtshals through Alborg Bugt; Includes detailed coverage of Goteborg, Vanersborg, Karlstad, and Karlsborg, Swe.; Frederikshavn, Den.; and Laeso; Includes coverage of the Skagerrak and Kattegat water bodies.