411640-1 HELIX 7 CHIRP MEGA DI GPS G4N

control allows user to master HELIX at the touch of a button MEGA and MEGA spectrum CHIRP sonar GPS and identifies buoys, day markers, hazards, marinas, contours, depth markers and much, much more chart compatible with optional charts from 's LakeMaster and CoastMaster products, as well as compatible charts AutoChart creates real-time maps of fishing spots, with access to patented LakeMaster features - compatible networking NMEA 2000 networking built-in fishfinder, power cable, knobs, transducer, and bracket