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The HELIX 7 MEGA SI GPS G4 fish finder features MEGA Side Imaging, MEGA Down Imaging, Dual Spectrum CHIRP Sonar, AutoChart Live, Internal GPS and Humminbird Basemap built-in. An upgraded high-definition 7" display will give you the best view of the many pre-loaded split screen view options so that you'll never miss a fish.
High-definition 7" (17.7 cm) display with user-friendly menu system and softkey controls
MEGA side imaging lets you see the world below like never before with crystal-clear viewing out to 125' (38.1 m) on either side of your boat
MEGA down imaging provides 125' (38.1 m) of underwater clarity below your boat
Dual Spectrum CHIRP sonar provides highly-detailed fish arches and a clear-view of fish holding structure
Internal GPS
AutoChart Live to create real-time maps of fishing spots