Humminbird 4090301 386Ci Combo Color DualBeam Fishfinder and GPS Depth: 1500 feet Mounting: Quick Disconnect or In-dash Down Imaging and DualBeam PLUS SONAR with SwitchFire 3.5 inch 256 color display Precision GPS and built-in Unimap High-resolution, High-contrast Color Fest Display Gps-sonar Combo 320 X 240 Pixels, 256 Color Internal Was Gps Receiver With Omnidirectional Receiver Antenna For Higher Performance Built-in 4 Nautical-mile Resolution Unimap Of Us Inland Lakes, Rivers and Coastal Areas