Lowrance Fishing Hot Spots North U.S. Freshwater Map microSD Card Preloaded memory card with detailed electronic maps of 896 Northern U.S. lakes Offers depth contour lines and superior shoreline detail; plug-and-play ease ensures immediate access Many maps include lake profiles, fishery info, marina/resort info, nav aids, and fishing tips Covers lakes in Iowa, Michigan, Minnesota, North Dakota, South Dakota, and Wisconsin Requires Lowrance GPS receiver with MMC/SD memory card slot; 1-year warranty