Humminbird Helix 7 Chirp MDI GPS G3 Fish Finder 410940-1. The Humminbird Helix 7 Chirp Mega DI GPS G3 fish finder features Mega Down Imaging, Dual Spectrum Chirp Sonar, 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. MEGA Down Imaging: coverage down to 125 feet below your boat. AutoChart Live: Real-time maps of your fishing spots, with access to patented Humminbird LakeMaster features.Fast and Free Ground Shiping. The item "Humminbird Helix 7 Chirp MDI GPS G3 Fish Finder 410940-1" is in sale since Tuesday, January 12, 2021. This item is in the category "Sporting Goods\Outdoor Sports\Camping & Hiking\Emergency Gear\Fire Starters". The seller is "unitedoutdoors" and is located in Maryland Heights, Missouri. This item can be shipped to United States.