Humminbird Helix 5 Chirp Di Gps G3HELIX 5 CHIRP DI GPS G3, entry level HELIX combo. Humminbird HELIX 5 CHIRP DI GPS G3 The Humminbird HELIX 5 CHIRP DI GPS G3 delivers CHIRP + Down Imaging + GPS in a 5" form factor. Entry to the HELIX family, solid Humminbird performance at the lowest HELIX price tier. Key Features 5" Color Display CHIRP Sonar Built In Built In GPS Chartplotter Down Imaging Dual Spectrum CHIRP 9 Pin Transducer Connection CoastMaster LakeMaster Compatible (microSD)