Explore the depths of the water with the Humminbird HELIX 7 GPS CHIRP MSI G4 411930-1 Fishfinder. The high-definition 7-inch display provides a view of the many pre-loaded split screen options so that you'll never miss a fish. It covers down to 125-feet below your boat, unlocking new details with up to 3X more detail, and the fishfinder creates real-time maps of your fishing spots with access to patented Humminbird® LakeMaster® features including map depth contours, bottom hardness, and vegetation. The internal GPS and Humminbird Basemap provides a clear view of underwater terrain and surrounding points of interest so you can fish and navigate with total confidence.