Humminbird is one of the leading companies in the marine electronics market and carries fish finders that are among the top brands in the fishing industry. These fishfinders were designed by fishermen for fishermen to provide a crystal clear picture. No matter the conditions Humminbird operates flawlessly, with the built-in GPS enabling you to navigate the waters safely. Humminbird marine electronics are also compatible with Navionics and Lakemaster map SD cards. At the end of the day, we here at Mealey Marine want you to walk away with a good deal and an even better product every time you do business with us. We are here to make that happen by answering any questions or concerns you may have. Just give us a call!