LakeMaster Ontario Edition - Version 1The Humminbird LakeMaster Ontario Edition, Version 1 microSD map card is loaded with contours for over 550 lakes within Ontario. Additionally, included coverage exists for many border waters and the Great Lakes: Michigan, Superior, Huron, Erie & Ontario.Features:Updated shallow water areas for Lake Michigan and parts of Lake SuperiorFull coverage of Lake SuperiorAll of Lake Huron (now including Georgian Bay)Beaver Island on Lake Michigan in High DefinitionHigh Definition Survey of Lake St Clair (including the Canadian side)Updated the St. Clair River High Definition survey (including the Canadian side)Updated the Detroit River High Definition survey (including the Canadian side)Plus High Definition surveys for border waters including:High Definition survey of Falcon Lake, ManitobaCrane, Rainy River, MinnesotaKabetogama, St. Louis, MinnesotaNamakan, Rainy River, MinnesotaSand Point, Rainy River, MinnesotaBarr, Manistee, MichiganBear, Muskegon, MichiganMacatawa, Ottawa, MichiganPentwater, Oceana, MichiganPere Marquette, Mason, MichiganSkegemog, Antrim, Michigan, and more!Also with the Ontario Version 1 microSD map card, you’ll enjoy all of the LakeMaster features including the following:i-Pilot® Link™ compatibleEasy to read contoursDepth Highlight RangeWater Level OffsetShallow Water HighlightScrollable Lake ListWARNING: This product can expose you to chemicals including Naphthalene which is known to the State of California to cause cancer. For more information go to P65Warnings.ca.gov.