Meet the Humminbird Helix 10 G3N Fish Finder: a smart system that helps anglers find the best place to catch fish. It has a 10.1″ display, built-in GPS for charting, and dual spectrum CHIRP sonar to provide clear view of fish holding structures.
The Helix 10 comes with Bluetooth connectivity. Its basemap gives you a clear view of underwater terrain. The device comes with charts for more than 10,000 lakes. You can find out more about it here.