Manufacturer’s Description

Humminbird 500 Series 581i HD DI 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, 5 inch monochrome display.

The Specs

Additional Specifications
Parent Retsku B00927EWPQ
Quick Glance

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