Experience unparalleled coverage and brilliant detail on the water. LakeV g3 Ultra inland water maps provide industry-leading coverage, clarity and detail with integrated Garmin and Navionics data, Auto Guidance technology 1; and high-resolution relief shading. Auto Guidance TechnologyThe Auto Guidance feature 1; uses your desired depth and overhead clearance to calculate a route and suggest a path to follow. Complete Sonar Support High-resolution Relief Shading FeatureHigh-resolution relief shading combines color and shadow to give you an easy-to-interpret, clearer view of bottom structure than contour lines alone. Depth Range ShadingThis feature provides up to 10 depth ranges, enabling you to view your target depth at a glance. Shallow Water ShadingThis feature allows you to use shading to designate the shallow water depths you need to avoid. Dynamic Lake LevelYou can adjust your maps to the lake s current water level to have a better idea of spots that are either accessible or too shallow to explore. Unique 3-D ViewsMarinerEye and FishEye views provide additional perspective both above and below the water line.