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. Detailed coverage of the Southeast coast of Sweden from Oregrund to Copenhagen, Den. Includes detailed coverage of Stockholm and Nykoping, and lakes Sommen, Nommen, as well as coverage of the lower Dalalven from Gysinge to Soderfors. Also includes detailed coverage for the islands of Gotland, Oland, and Bornholm, Aland and surrounding islands.