Humminbird Helix 12 HW CHIRP MEGA-SI MEGA-DI GPS G2N 411280-1. The HELIX 12 HW MEGA SI GPS G2N features a large 12.1 display with LED backlight, MEGA Side Imaging, MEGA Down Imaging and Dual Spectrum CHIRP Sonar. Internal GPS with built-in Humminbird Basemap and AutoChart Live will help you find your way, while Bluetooth and Ethernet networking capabilities make sure that you'll have access to access the power of the One-Boat NetworkT. The item "Humminbird Helix 12 HW CHIRP MEGA-SI MEGA-DI GPS G2N 411280-1" is in sale since Sunday, November 15, 2020. This item is in the category "Sporting Goods\Fishing\Fishfinders".The seller is "tmg07" and is located in Southfield, Michigan. This item can be shipped to United States.