Humminbird 4089501 598Ci HD SI Combo Side Imaging/Down Imaging DualBeam Fishfinder and GPS (Discontinued by Manufacturer)

Humminbird 500 Series 598Ci HD SI Combo GPS-Sonar DualBeam PLUS and Down Imaging fishfinder with Side Imaging. Thanks to best-in-class HD screen resolution, incredibly clear Down Imaging plus dynamic SwitchFire Sonar, you won't miss a thing. Timber, rocks, even fish-watch it all take shape on crystal-clear, full-color 5 inch display. Find your way using built-in UniMap or up the ante with optional LakeMaster and Navionics cartography. Get all this technology in a convenient in-dash mount, or use our Tilt and Swivel Quick Disconnect Mounting System. Versatility makes the 500 Series perfect for a wide range of boats.