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The Humminbird Helix 7 Chirp Mega SI GPS G3N fish finder features Mega Side Imaging, Mega Down Imaging, Dual Spectrum Chirp Sonar, Ethernet networking capability, Bluetooth, AutoChart Live, GPS and Humminbird Basemap built-in. The 7 inch, ultra-wide display gives you ample room to view the many pre-loaded split screen view options.
