LOWRANCE 000-10800-001 StructureScan(R) HD *StructureScan(R) HD *Works with any HDS(R) multifunction display; Delivers greater resolution & wider range for enhanced underwater images; Crystal-clear, dedicated side- & down-looking views ; Crisp side-viewing detail up to 500ft port to starboard, allows scanning more water in less time for productive locations; Reveals targets & their scan shadows ; HDS with built-in Insight or any high-detail mapping option; StructureScan(TM) imaging presents the best total on-the-water picture to enhance discovery success, above & below the surface; DownScan Imaging(TM) removes all guesswork in structure identification * WARRANTY: ONE YEAR