Garmin BlueChart g2 Vision Lake Huron SD Card: Chart VUS017R – Lake Huron – Lake St. Clair offers detailed coverage of Lake Huron, Georgian Bay, Lake St. Clair, Lake Simcoe, Lac Nipissing, and the Detroit River. Covers from Sault Ste. Marie to Detroit, including Saginaw, on the U.S. side, and from Sault Ste. Marie to Goderich, Ont., including Parry Sound, on the Canadian side.Garmin BlueChart g2 Vision has set the industry standard in premier electronic chartplotter-based marine charting. BlueChart g2 Vision offers the high detail charting of BlueChart g2 plus high-resolution satellite imagery, above and below water 3-D perspective, auto guidance technology, aerial photographs for real world reference, and coastal roads with points of interest.Enable the full functionality of Garmin’s new line of chartplotters – the GPSMAP 5XXX series, the GPSMAP 4XXX series, the GPSMAP 5X5 series, the GPSMAP 5X0 series and the GPSMAP 4X0 – with the addition of a BlueChart g2 Vision SD card.