microSD/SD format: Compatible with standard card slots Premium offshore and inland lake coverage: Ideal for Garmin chartplotters Customizable chart view: Mix and match layers and overlays Included one-year subscription: Stay updated daily via ActiveCaptain app Auto Guidance+ technology: Suggested dock-to-dock routes for easy navigation Target depth shading: Up to 10 color-shaded ranges for optimal fishing Subscription renewal: Continue updates and new content at a lower cost Garmin Navionics+ cartography, with its vivid colors and user-friendly interface, combines coastal and inland content, offering a familiar Navionics color scheme. This ensures easy course plotting with the globally recognized leader in marine mapping.