The Humminbird 386ci Combo is one of the smaller units which have quite a bundle of options. First of all, even though it has a small screen, 3.5″ diagonal with a 320×240 pixel resolution, it has a LED display, 256 color TFT. Of course, if you’re using a fish finder just for tracking
Although a smaller unit than the 597ci HD Combo, Hummingbird Fish Finder 587ci HD Combo has GPS capabilities and quite a wide range of features that will considerably improve your fish finding and navigational possibilities.
Hummingbird Fish Finder 587ci HD Combo has a 4.5-inch display, 640 x 480 pixel resolution, full color and high definition. Since the screen is full color, the interpretation of the sonar returns is much easier and accurate, so you will be able to distinguish better