Humminbird® LakeMaster® Maps deliver unrivaled detail, accuracy and innovative, one-of-a-kind features you need to eliminate unproductive water and find the best fishing spots faster. 2D Shaded Relief: Make bottom detail and depth changes easy to spot so you can quickly identify fish holding areasAerial Imagery: Navigate more confidently and find new fishing spots with the help of aerial imageryVX Technology: Provides exceptional map performance and customizable color palettesSmartStrike: Highlights areas of the lake map where fish are most likely biting *Select HD Lakes OnlyChart Presets: Simple and easy to change between your own custom view settingsDepth Highlight: Highlight a selected depth range so you can target productive water and stay where the fish areShallow Water Highlight: Easy-to-see red shading highlights shallow water areas on an adjustable range from 0 to 60 feetWater Level Offset: Synchronize the depth contours and shorelines of your LakeMaster charts with the actual water levels of lakes, reservoirs and riversOne-Boat Network®: Connect your Humminbird LakeMaster® chart and Minn Kota® trolling motor, allowing your boat to automatically follow a depth contour lineCompatible with Humminbird HELIX® G3/G3N and newer, all SOLIX® units and all APEX™ units