Based on the Lowrance innovation of the world’s first and only true DownScan Imaging™ technology combined with side-scan imaging, StructureScan HD includes an enhanced transducer design that features three dedicated signals for best-in-class crisp, clear views to the left, right and directly beneath your boat. The full-panoramic, picture-like returns are now even more impressive with sharper images of structure, fish, thermoclines and more.