Compatible With Chart Plotters; Detailed Coverage Of Atlantic And Pacific Coasts/ Inland Lakes And Waterways Of Alaska And Canada(Except YT And NU); Region Code: NAUS004R; On SD/ Micro-SD Card; With Sonar Chart™ Live Mapping/ High-Resolution Relief Shading/ Advanced Map Options/ Dock-To Dock Route Guidance/ Daily Updates/ Plotter Sync/ Community Edits