Lowrance 000-11808-001 Elite-4 Fishfinder/Chartplotter with US Basemap 83/200KHz CHIRP and 455/800KHz DownScan Transducer Lowrance 000-11808-001 Elite-4 Fishfinder/Chartplotter with US Basemap 83/200KHz CHIRP and 455/800KHz DownScan Transducer Hybrid dual imaging (HDI) Broadband sounder (max. depth 1,000' with 83/200 kHz element) Includes HDI transducer Built-in GPS antenna plus detailed U.S. map