Get the best view of your underwater fishing territory with the HumminbirdA(R) HELIXA(R) system. Packed with features to get you started right, with minimal setup or extra-add-ons. Loaded with mapping info, plus the capability to create your own as you explore. High definition display is pre-loaded with split-screen view options and a user-friendly menu system. Soft key controls allow dependable operation in inhospitable conditions MEGA Down Imaging extends coverage down to 125 feet below your craft. Up to 3X more detail than standard systems Dual Spectrum CHIRP sonar displays detailed fish arches as well as fish-holding structures and bottom. Provides both wide and narrow mode, allowing you to start big before narrowing down your search to the smallest details Internal GPS and Humminbird Basemap helps identify buoys, day markers, hazards, marinas, contours, depth markers and more. Includes charts of more than 10,000 lakes, plus continental U.S. coastal coverage Premium Chart Compatible: add optional charts from LakeMasterA(R) and CoastMaster ranges of products, as well as NavionicsA(R) charts AutoChart Live allows you to create real-time maps of fishing spots, depth contours, bottom hardness and vegetation as you navigate. Records up to 8 hours of real time mapping, and compatible with AutoChart Zero Line SD card (micro SD slot) for extended recording time Includes control head, transom-mount transducer, power cable, gimbal mounting bracket and mounting hardware