NAV+ CA: Canada features: • Marine and lake charts • One foot contours •Canada and Alaska all in one •3,400 lakes and growing Get both saltwater and freshwater charts throughout the entire region. Includes full marine coverage and more than 3,400 lakes in Canada and Alaska, plus all of Puget Sound, Lake of the Woods, Rainy Lake and Canadian waters of the Great Lakes. Nautical Chart and SonarChart™ 1 ftHD bathymetry map are pre-loaded. Community Edits can be downloaded along with daily updates for one year! Simply plug your card into your PC/Mac to get the most updated charts from navionics.com. 16GB card and USB reader included.