The Humminbird ICE HELIX 5 CHIRP GPS G3 will not only help you catch the fish, it will help you find where to catch them. Take advantage of outstanding features like Dual Spectrum CHIRP Sonar with 3/4" target separation, CHIRP Interference Rejection, built-in GPS with Humminbird Basemap and compatibility with both Lakemaster or Navionics maps for precision fishing. Additional features designed specifically for the ICE angler, including AutoChart Live ICE, Jig Charge Mode and split-screen views separate this unit from all others on the ICE. Take it all in on an ultra-bright 5" full color HD LCD display. Features Dual Spectrum CHIRP Sonar CHIRP Interference Rejection Adjustable Sonar Zoom Internal Precision GPS Built-InHumminbird Basemap Built-in AutoChart Live ICE MicroSD Card Reader Ultra Bright and Detailed LCD Display Jig Charge ModePortable Shuttle and Carrying Case