Humminbird 858c Combo 7-Inch Waterproof Marine GPS and Chartplotter with Sounder

The Humminbird 858c Combo features a brilliant color, wide-screen 480V x 800H 7-Inch display, 83/200KHZ dual beam sonar with 500 Watts of transmit power, GPS chartplotting with external antenna and advanced Fishing System capabilities. Rugged construction and ease of use make Humminbird fishfinders a favorite of anglers worldwide. The built-in Contour XD chart covers the contiguous U.S.A. coastline and inland lakes and rivers. On the coast, this clearly shows features as small as canals, and many coastal navigation lights. Inland, the Contour XD features virtually all recreational lakes and rivers, plus hundreds of thousands of small lakes that don’t appear on other charts. In other words, your lake is likely to be there! Internal memory has a capacity of 2,750 waypoint more »