Humminbird Helix 7 CHIRP MSI GPS G4 Fishfinder with GPS and Mega Side Imaging Sonar

It features an easily viewed 7" high definition display. The easy-to-operate menu system and keypad are intuitive to use in any condition. This G4 model includes mega down imaging sonar and dual spectrum CHIRP for enhanced sonar performance. Includes Internal GPS . Humminbird Base map . and Auto Chart Live (zero line SD card needed for more than 8 hours of sonar recording). Includes single microSD card slot . compatible with Humminbird & Navionics charts including Lake Master . Lake Master Plus . Smart Strike . Coast Master (VX) & Coast Master Premium (VX)