This Y cable allows for the connection a MEGA 360 Imaging transducer and an external 7-pin 2D / MDI transducer to the same compatible HELIX fish finder. Combines MEGA 360 Imaging transducer and 7-pin Dual Spectrum/MEGA Imaging+ transducers into one 7-pin transducer plug for connection to the same, compatible HELIX fish finder. For use when connecting a MEGA 360 Imaging transducer to a HELIX fish finder, in conjunction with an external 7-pin 2D / MDI transducer. This cable should not be use to connect a HELIX fish finder with both MEGA 360 Imaging and Built-In MEGA Imaging on Minn Kota trolling motors. Please refer to #720108-1 14 M360 2DDI Y for this specific rigging need. Is not compatible with Built-in MEGA Imaging transducers on select Minn Kota trolling motors 30" (76 cm) cable on Dual Sprectrum CHIRP side of cable 10' (3 m) cable on the MEGA 360 side 1-Year Limited Warranty