Experience advanced precision and full control on the water with the Humminbird HELIX 12 CHIRP GPS G4N Fish Finder/Chartplotter, designed for serious anglers who demand large-screen clarity, powerful sonar performance, and seamless system integration. Built around a bright 12-inch sunlight-viewable display, it delivers exceptional visibility and intuitive operation in all fishing conditions.

With Dual Spectrum CHIRP sonar, enhanced mapping, and real-time networking capabilities, this unit provides a complete fishing and navigation solution for both freshwater and coastal environments.

12-inch high-resolution sunlight-viewable display for maximum visibility
Soft-key controls with intuitive menu system for reliable operation in any conditions
Dual Spectrum CHIRP sonar with Wide and Narrow modes for versatile fish detection
Advanced sonar imaging for clear visualization of fish, structure, and bottom detail
Enhanced built-in basemap with lakes, coastal coverage, and navigation points
Preloaded charts covering 10,000+ lakes plus U.S. coastal waters
AutoChart Live for real-time mapping of depth contours, vegetation, and bottom hardness
8 hours of built-in recording with expandable mapping via AutoChart SD cards
One-Boat Network compatibility for integration with Minn Kota and Cannon systems
High-speed Ethernet networking for multi-device professional setups
Bluetooth connectivity for shallow water anchors, downriggers, and wireless updates
Supports premium chart options including LakeMaster, CoastMaster, and Navionics
Compatible with MEGA Live and MEGA 360 imaging systems
Includes transducer, mounting hardware, power cable, and accessories
Built for freshwater fishing with advanced sonar and navigation integration