Take your fishing trips to the next level. The Humminbird HELIX 7 CHIRP MEGA SI GPS G4 Fishfinder features MEGA Side Imaging, MEGA Down Imaging, Dual Spectrum CHIRP Sonar, AutoChart Live, Internal GPS and Humminbird Basemap built-in. An upgraded high-definition 7 in. display will give you the best view of the many pre-loaded split screen view options so that you&';ll never miss a fish. Highlights a Keypad control allows user to master HELIX(R) at the touch of a button a MEGA Down Imaging(TM) and MEGA Side Imaging(TM) a Dual spectrum CHIRP sonar a Internal GPS and Humminbird(R) Basemap identifies buoys, day markers, hazards, marinas, contours, depth markers and much, much more a Premium chart compatible with optional charts from Humminbirds LakeMaster(R) and a CoastMaster(TM) products, as well as compatible Navionics(R) charts a AutoChart(R) Live creates real-time maps of fishing spots, with access to patented a Humminbird(R) LakeMaster(R) features a One-Boat Network(TM) compatible a Ethernet networking a Bluetooth(R) a NMEA(R) 2000 networking built-in a Includes fishfinder, power cable, knobs, transducer, and bracket