Humminbird Helix 7 CHIRP MEGA SI G3 NAV+ GPS Fish Finder (410950-1NAV)

This Helix 7 Fish Finder features MEGA Side and Down Imaging sonar for exceptional underwater clarity and detail. In addition, this versatile device has Dual Spectrum CHIRP sonar with two search modes for coverage and detail, as well as SwitchFire Sonar with two display modes to adjust your sonar return appearance. Meanwhile, the built-in GPS, Navionics+, Humminbird Basemap and AutoChart Live real-time mapping ensure effortless navigation. To get even more out of your device, the Humminbird® Helix 7 Fish Finder features multiple networking and compatibility options.

Sonar

• MEGA Side Imaging for clear images up to 125 ft. around your boat
• MEGA Down Imaging for exceptional underwater clarity and detail (coverage down to 125 ft.)
• Dual Spectrum CHIRP Sonar with two search modes (wide mode for maximum coverage and narrow mode for maximum detail)
• SwitchFire Sonar changes sonar return appearance with two display modes that let you add/remove detail, account for water depth, temperature and turbulence, and even watch lure presentations

Navigation

• Built-in GPS
• Includes Navionics+ (U.S. and Canada) SD card for map coverage of over 21,000 lakes and waterbodies
• Built-in Humminbird Basemap featuring more than 10,000 lakes (plus coastal coverage for the U.S.) gives you a clear view of underwater terrain and surrounding points of interest (including buoys, day markers, hazards, marinas, contours, depth markers and more)
• AutoChart Live creates real-time maps with depth, vegetation and bottom hardness
• LakeMaster Maps compatible for easy-to-read contours, highlighted depth ranges and adjustable water levels
• AIS compatible to track other vessels for safer navigation
• CHIRP Radar compatible

Additional Features

• Single Micro SD Slots
• High Definition display
• Keypad interface
• Includes transducer and mounting hardware, power cable and gimbal mounting bracket