Humminbird HELIX 7 GPS CHIRP SI G4 [411920-1] Electrical Long Double Socket Arm &

Long Double Socket Arm & Double Ball Adapter for 1" Balls

Check Your Speed on Screen

Screen Size: 9"

Knob Control - With GRID 10/20

Humminbird HELIX 7 GPS CHIRP SI G4 [411920-1] Electrical Long Double Socket Arm &HELIX 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