Humminbird Depth sounder Helix 5 CHIRP GPS DI G3 The Helix 5 GHIRP GPS DI G3 features Down Imaging for photoreallistic imaging of the underwater world. This depth sounder reaches depths of up to 105 meters in Down Imaging and 360 meters in Dual Spectrum. Dual Spectrum CHRIP covers the advantages of two sonar systems in one depth sounder. The integrated Precision GPS antenna and microSD card slot makes the Helix 5 CHIRP GPS DI G3 a complete chartplotter. Includes a preloaded Humminbird Basemap nautical chart. Other features: AutoChart Live, Navionics Plus nautical chart capable.