Humminbird 385ci 3.5-Inch Waterproof Marine GPS and Chartplotter with SounderThe Humminbird 385ci chartplotter / fish-finder comes with a display that measures 3.5" diagonal, and has 256 colors with LED backlight and sounder. And like the 587ci, this unit has the DualBeam sonar capability and can be viewed side-by-side, or blended together. The screen updates fast with the real-time sonar displaying the bottom, structure and all the fish that are within the transducer beam.

The 385ci comes with the Humminbird UniMap that covers the continental U.S. shoreline, rivers and inland lakes, all this at 30 meters per pixel resolution. The DualBeam sonar features a 20 degree beam @ 200kHz and a 60 degree beam @ 83kHz. allowing the display to reveal everything below down to 1000 ft. The memory includes 2500 waypoints, 50 routes, 50 tracks w/ 20,000 points each