Humminbird HELIX 7 GPS CHIRP SI G4 [411920-1] Electrical built-in Auto Guidance+ technology1 gives

built-in Auto Guidance+ technology1 gives you a suggested dock-to-dock path to follow through channels

Knob Control - With GRID 10/20

N2KEXT NMEA2000 Cable Micro-C Medium Duty - 20M

Check Your Speed on Screen

Humminbird HELIX 7 GPS CHIRP SI G4 [411920-1] Electrical built-in Auto Guidance+ technology1 givesHELIX 7 GPS CHIRP SI G4 The HELIX 7 SI GPS G4 fish finder features CHIRP Side Imaging, CHIRP 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. Features: Keypad control: Master HELIX at the touch of a button. Access the pre loaded views from the user