Chartplotter with a brighter display and improved positional accuracy due to the built-in WAAS capability. Crisp, high-contrast, high-resolution 5.5" diagonal display that features a pixel count of 240x360. Features a processor which makes map redraw rates, panning and zooming functions even faster than before. Positional accuracy up to 3 meters in the U.S. and portions of Canada and Mexico is now standard thanks to the compatibility with the WAAS. Built-in worldwide marine base map complete with U.S. tide data. Also accepts additional offshore cartography from Garmin BlueCharts. The information includes depth contours, spot soundings, wrecks, and navaids. Cartography is stored on a miniature data card that is easily inserted into the data card slot on each of the units