The Garmin Navionics+ cartography uses the world's n.1 technology to plot the route on Garmin chartplotter with bright colors, a simplified interface and complete contents to the smallest detail. Equipped with additional 3D features such as MarinerEye and FishEye views, Relief Shading, HD satellite imagery and aerial photos. Complete with Auto Guidance+ technology and updates via the ActiveCaptain app. Compatible with echoMAP UHD 7x/9x, ULTRA 102/122, GPSMAP 723/923/1223 and 8400 series.