Humminbird Helix12 Chirp Mega Di+ G4n No Transducer

Humminbird HELIX 12 CHIRP MDI+ GPS G4N Control Head OnlyModel: 411440-1CHO Keypad control: Master HELIX at the touch of a button. Access the preloaded views from the user-friendly menu system, operated by soft key controls that allow you to reliably operate your fish finder in any condition. MEGA Down Imaging+: Get unprecedented underwater clarity with Down Imaging coverage down to 200 feet below your boat. You'll unlock more fish and structure with 20% more detail and 60% more depth capability than MEGA Down Imaging sonar. Dual Spectrum CHIRP sonar: Before you cast, know what's down there thanks to highly-detailed fish arches and a clear view of fish-holding structure and the bottom. Powered by our proprietary, Low-Q CHIRP transducer, Dual Spectrum offers two ways to search; Wide Mode for maximum coverage and Narrow Mode for focusing on the slightest detail. Internal GPS and Humminbird Basemap: Our enhanced basemap provides you with a clear view of underwater terrain and surrounding p