Lowrance 000-11791-001 HDS-9 GEN3 Insight Fishfinder/Chartplotter with Chirp/StructureScan Sonar and 50/200KHz Transducer Improved interface with touchscreen or keypad option Built-In CHIRP/StructureScan Sonar Internal GPS antenna Built-in Insight USA charts for Coastal and Inland US waters 50/200KHz Transducer included