Compatible With Chart Plotters/ Sonar; Detailed Coverage Of Atlantic And Pacific Coasts, Inland Lakes And Waterways Of Alaska And Canada Except YT And NU; Region Code : NSUS004R; On SD/ Micro-SD Card; With Auto Guidance Technology, High-Resolution Relief Shading, Sonar Imagery, High-Resolution Satellite Imagery, Aerial Photography, Side-Scan Images, 3D Fisheye View, 3D Marinereye View And Dynamic Lake Level