640V x 640H, 5" ultrahigh-resolution color TFT LCD display
DualBeam 200 kHz/20° and 83 kHz/60° transducer
Humminbird introduces a performance-driven fish-finding unit with powerful DualBeam transducers to mark fish in shallow and deep waters, as well as speed and water-temperature features. It is Navionics compatible and comes with a quick-disconnect mount. The front-side SD card slot lets you keep your options open for mapping and chart-plotting software downloads. Optional in-dash mounting capability as well. Humminbird’s 597ci combines an ultrahigh-resolution, 5" FSTN LCD display and a DualBeam processor with a 50-channel internal GPS. Accurate temperature sensor. Made in USA.