Humminbird 385ci 3.5-Inch Waterproof Marine GPS and Chartplotter with Sounder

• Compact chartplotter/fishfinder with 3.5-inch, 256-color display, DualBeam sonar with 2400 Watts PTP power output, and GPS Chartplotting with built-in UniMap
• Dual-beam Switchfire Sonar with precision 20-degree beam and wider 60-degree beam; view beams separately, side-by-side, or blended together
• Real-time Sonar always updates at the fastest rate possible, shows returns from the bottom, structure, and fish that are within the transducer beam
• Included UniMap covers the continental U.S. coastline, inland lakes, and rivers at 30 meters per pixel resolution
• Built-in card slot allows you to upgrade to a Navionics chip for enhanced navigation and map detail