Lowrance HDS-7 Gen3 Insight w/TotalScan T/M Transducer integrates cutting-edge fishfinder technologies and the latest advances in navigation into one easy-to-use, multi-touch display. The Lowrance High Definition System (HDS) combines a brighter, multi-touch display and enhanced processor with state-of-the-art fishfinder technologies. CHIRP Sonar, Broadband Sounder, StructureScan HD, DownScan Imaging and Trackback view, plus the latest advances in navigation and user interface included. This system utilizes internal 10Hz GPS, dual microSD-card slots, touch-plus-keypad operation and built-in wireless connectivity. All in one easy-to-use display.