Humminbird 411320-1 Helix 15 Chirp MEGA SI+ GPS G4N Fish Finder

15.4″ display
Features MEGA Side Imaging+, MEGA Down Imaging+, Dual Spectrum CHIRP Sonar, internal GPS with Humminbird Basemap, AutoChart Live, Wi-Fi, NMEA 2000, Bluetooth and Ethernet networking
MEGA Side Imaging+: See the world below like never before with a crystal-clear Side Imaging viewing out to 200 feet on either side of your boat. You’ll unlock more fish and structure with 20% more detail and 60% more range capability than MEGA Side Imaging sonar