BlueChart G2 Vision MARINE GPS MAP micro SD/SD FOR GARMIN GPS/SOUNDER On MicroSD + full size SD Adapter. Please make sure your device has a card slot that accepts either SD or micro SD format before purchasing. Package includes: Micro SD card with Full size SD adapter, protective case. Works in Garmin handheld GPS units or chartplotters that accept a micro SD card or full size SD card. You may use HomePort on your computer with this digital map to plan your routes/trips. At checkout, leave us a message indicating your GPS model. This version is not locked so it can be used in mulitple units that are compatible, it only works in a compatible gps. Features Includes realistic navigation features showing everything from shaded depth contours and coastlines to spot soundings, navaids, port plans, wrecks, obstructions, intertidal zones, restricted areas, IALA symbols and more.Features smooth displays, including seamless transitions between zoom levels and more continuity across chart boundaries.Allows users to choose between standard 2-D direct overhead or 3-D ""over the bow"" map perspective to make chart reading and orientation easier.Provides Safety Shading (in compatible units), allowing mariners to enable contour shading for all depth contours shallower than user-defined safe depths.Provides Fishing Charts (in compatible units), allowing mariners to scope out bottom contours and depth soundings with less visual clutter on the display. We will promptly answer any questions you might have. Tracked delivery by USPS First Class OpenStreetMap® is open data, licensed under the Open Data Commons Open Database License (ODbL) by the OpenStreetMap Foundation (OSMF) ""Garmin"" is a registered trademark Garmin Ltd This product is not affiliated with Garmin. Photos are for reference only