Working with Lowrance HDS Gen2 and HDS multifunction displays - the new StructureScan HD sonar imaging system delivers greater resolution and wider range for enhanced underwater images.  Crisp side-viewing detail takes you further - with up to 600 ft. of higher-resolution side-to-side coverage.  Produces a higher level of definition straight down, with exclusive DownScan Imaging technology.  Three dedicated transducer signals for best-in-class views - left, right and directly beneath your boat.  Share StructureScan HD images with up to three HDS displays.