This Y cable allows for the connection of a MEGA 360 Imaging transducer and a 14-pin HW / MDI+ transducer (including Built-in MEGA Imaging) to the same compatible Humminbird fish finder.Specifications and Features: Combines MEGA 360 Imaging transducer and 14-pin Dual Spectrum / MEGA Imaging+ transducers (including Built-in MEGA Imaging) into one 14-pin plug for connection to the same, compatible SOLIX fish finder, or HELIX fish finder with additional AD HELIX M360 adapter. For use when connecting a MEGA 360 Imaging transducer to a compatible SOLIX or HELIX fish finder, in conjunction with a Built-in MEGA Imaging transducer or external 14-pin HW /MDI+ transducer. If this cable is being used with a HELIX fish finder, then the #720106-1 AD HELIX M360 adapter must be attached between this y-cable and the HELIX unit, to the single plug end of the Y cable. 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 Waterproof, screw-on, 14-pin connectors