Humminbird Helix 7 CHIRP MDI GPS G3, w/Xdcr, Nav+

The HELIX 7 CHIRP MEGA DI GPS G3 fish finder features MEGA Down Imaging, Dual Spectrum CHIRP Sonar, AutoChart Live, GPS and Navionics+ built-in. The 7", ultra-wide display gives you ample room to view the many pre-loaded split screen view options. Includes Navionics+ (U.S. and Canada) SD card for out-of-the-box map coverage of over 21,000 lakes and waterbodies. NEW to HELIX 7- MEGA Down Imaging: Get unprecedented underwater clarity with coverage down to 125 feet below your boat. You'll unlock new details with up to 3X more output than standard Down Imaging sonar. Dual Spectrum CHIRP: Before you cast, know what's down there thanks to long, well-defined 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 maximum detail. SwitchFire Sonar: Take command of how your sonar returns appear. With two display modes, you can add or remo