Humminbird Helix 12 Chirp Mega SI Plus GPS G3N Fishfinder Chartplotter | Force 4 Chandlery
Humminbird HELIX 12x Chirp SI GPS
Humminbird 4061601 model Matrix 47 3D Fish Finder, 5" Diagonal Display Size, 640V x 320H Display Matrix, Maximum 8000 Watts peak to peak and 1000 Watts RMS power output, 455kHz & 83