Including all of the necessary essential vector data for safe and effective navigation, the Lowrance C-Map Discover North America comes loaded with a host of useful features, like full vector charts, custom depth shading, high-resolution bathymetry, easy routing, and tides/currents. Features: -Full featured vector charts – Provide boaters with the accurate, up-to-date vector chart detail including Depth Areas & Contours, Spot Soundings, NavAids, Light Sectors, Wreck/Obstructions, and more. -Custom depth shading – Contours to display the highest level of information about underwater pinnacles, ledges, and canyons that are magnets for fish. -High-resolution bathymetry – High Resolution detail of nearshore and offshore features such as pinnacle, canyons, and ledges helping anglers find and target fish-rich waters. -Easyrouting – Automatically plots the shortest, safest route based on detailed chart data and vessel information. Takes to points and generates a suggested route. -Tides & currents – Features presents the time, water, level and direction of tides with Tide Level graphs and indicates predicted current time, direction, and strength. Flow graphs and colored arrows. -Detailed marina/port plans -Harbor and approach details -12-Months of online updates