Humminbird 4084801  587Ci HD DI Combo DualBeam Fishfinder and GPS (Discontinued by Manufacturer)
Humminbird 500 Series 587ci HD DI Combo GPS-Sonar DualBeam PLUS and Down Imaging fishfinder.  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 4.5 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.