Humminbird 788ci HD Combo Fishfinder and GPS (Discontinued by Manufacturer) 500 Watt, 83/200KHz Dual Beam Fishfinder 5-Inch color LCD with 640V x 640H pixel resolution Built-in GPS antenna and preloaded Uni-Map Advanced Fishing System network capabilities Includes transom mount transducer The highest resoltution 5" color display on the market at 640x640 pixels; super-bright display DualBeam PLUS w/SwitchFire, 4000 Watts PtP, 83/200 kHz 1500ft depth capability 50 channel internal GPS and single SD card slot for loading LakeMaster or Navionics charts Networkable with Humminbird Fishing Systems