The HELIX 7 CHIRP MEGA SI GPS G4 fish finder features MEGA Side Imaging, MEGA Down Imaging, Dual Spectrum CHIRP Sonar, AutoChart Live, Internal GPS and Humminbird Basemap built-in. An upgraded high-definition 7" display will give you the best view of the many pre-loaded split screen view options so that you'll never miss a fish.FeaturesKeypad control: Master HELIX at the touch of a button. Access the pre-loaded views from the user-friendly menu system, operated by softkey controls that allow you to reliably operate your fish finder in any conditions.MEGA Side Imaging: See the world below like never before with crystal-clear viewing out to 125 feet on either side of your boat. You'll unlock new details with up to 3X more detail than standard Side Imaging sonar.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 detail than standard Down Imaging sonar.Dual Spectrum CHIRP sonar: Before...