Compatible With Garmin GPS Navigation Systems/ Chart Plotters; Detailed Coverage Of U.S And Coastal Canada Lakes, Rivers And Inland Waterways; Region Code: NSUS001L; On SD/Micro-SD Card; With Auto Guidance Technology, High-Resolution Relief Shading, High-Resolution Satellite Imagery, Aerial Photography, 3D Fisheye View, 3D Mariner Eye View And Dynamic Lake Level