Humminbird Helix 7 CHIRP Mega SI GPS Chartplotter G3N+. The item "HUMMINBIRD HELIX7 CHIRP MSI GPS G3 FISH FINDER 410950-1 BRAND NEW FACTORY SEALED" is in sale since Friday, December 4, 2020. This item is in the category "Sporting Goods\Fishing\Fishfinders". The seller is "kdong73" and is located in La Habra, California. This item can be shipped to United States.