The Hummingbird Fish Finder 345c unit is another Humminbird model without GPS and chartplotting features, designed exclusively for finding fish. Although it's a small unit, it performs slightly better than other superior fish finders in the 500 series. Similar to the Hummingbird Fish Finder 345c Portable, this unit has a 3.5-inch brilliant color display, with LED backlight. … [Read more...] about Hummingbird Fish Finder 345c Review