HUMMINBIRD HELIX 5 CHIRP DI GPS G3If fishing is in your DNA, there's no such thing as "too early" or "too far." High expectations go with the territory. The HELIX 5 Series answers the call with an uncompromising 5" widescreen display. This HELIX 5 CHIRP DI GPS G3 model features CHIRP Digital 2D Sonar, CHIRP Down Imaging, GPS mapping, AutoChart Live, the new Humminbird basemap, DualBeam PLUS and SwitchFire. Includes built in GPS receiver and combined transom mount multi frequency Dual