Humminbird 798ci SI Combo 5-Inch Waterproof Marine GPS and Chartplotter with Sounder (Navionics Gold and HotMaps Premium Charts Pre-loaded) 640 vertical pixels 256 color TFT screen SideImaging and DualBeam PLUS sonar 1,500 ft depth capability, DualBeam PLUS, 150 ft depth with Side-Imaging Tilt and Swivel Quick Disconnect Mount