microSD/SD format: Compatible with standard card slots Premium offshore and inland lake coverage: Ideal for Garmin chartplotters Customizable views: Mix and match chart layers and overlays Included one-year subscription: Access daily updates via ActiveCaptain app Auto Guidance+ technology 2: Suggested dock-to-dock navigation routes Target depth ranges: Color-shaded options for fishing spot scouting Subscription renewal: Continue daily updates and new content access Garmin Navionics+ cartography boasts vivid colors, a user-friendly interface, and integrated coastal/inland content, all presented in a popular Navionics style color palette, making course plotting effortless with the globe's leading marine mapping provider.