The Lowrance 00012641001 is a fish-finder with DownScan Imaging that provides clear visuals of fishing spots via the super-bright, 4.3-inch screen display. The advanced signal processing negates the need to adjust visual settings manually, while the CHIRP sonar technology offers greater sensitivity, increased target resolution, and enhanced noise rejection. The interface on-board is straightforward and simple to use, even for anglers who have never used a fish-finder/chart-plotter before.