The 688ci HD DI Combo features a High Definition 480H x 640V 5", 256 color display with backlight, DualBeam PLUS sonar and Down Imaging sonar with 4000 watts PTP power output, GPS Chartplotting. In addition, it includes a card slot for maps or saving waypoints, as well as three programmable preset buttons to save your favorite views. Maximize your angling experience with the Humminbird 688ci HD DI Combo fishinder GPS system. ? Mfg No: 409460-1 Manufacturer: Humminbird
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