Head out with confidence! All the same marine content and advanced features found in Navionics+ are augmented by satellite imagery with SonarChart Shading, relief shading and sonar imagery chart overlays, 3D View and panoramic photos to provide the ultimate situational awareness. Designed with the most demanding boaters and serious anglers in mind, these additional viewing options can be used on a growing number of GPS plotters. Quickly target the best spots and catch more fish. Daily updates and advanced features are included for 1 year and provide you with Dock-to-dock Autorouting, SonarChart™ Live, Advanced Map Options and Plotter Sync. Simply plug your card into your computer and register at Navionics.com.