StructreScan® 3D Module - No DucerPowered by multi-beam sonar technology, StructureScan 3D produces images of underwater terrain and targets in stunning, high-resolution, 180°, 3-dimensional views.StructureScan 3D sidescan imaging reveals underwater terrain and fish-holding structure to create a super-wide, 180°, 3-dimensional view beneath your boat. The exclusive 3-dimensional views can only be displayed on the Lowrance HDS Gen3 fishfinder/chartplotters, Simrad NSS evo2 and NSO evo2 navigational systems. Features: