GPS Fishfinder Chart Plotter

Humminbird HELIX 12 CHIRP MSI+ GPS G4N with Transom Mount TransducerModel: 411970-1The HELIX 12 CHIRP MSI+ GPS G4N features a 12.1"" display, MEGA Side Imaging+, MEGA Down Imaging+, Dual Spectrum CHIRP Sonar and internal GPS with Humminbird Basemap. As...