The Hummingbird Fish Finder 345 Portable is a model focused exclusively on locating fish. Does not have any GPS capabilities, which makes it a bit cheaper. Since it's a portable unit it comes with a very neat carry case and the package also includes the AGM battery and its charger. Although it has a small screen, 3.5-inch diagonal wide, with a 320 x 240 pixel resolution, the … [Read more...] about Hummingbird Fish Finder 345c Portable Review