Best Price Humminbird Fishfinder 581i Combo On Sale

• Front mounted internal GPS allows in-dash mounting
  
• Single Front Side SD card slot
  
• 5" mono FSTN LCD
  
• 640V x 320H
  
• 16 Level Grayscale
  
• Temp Included
  
• GPS Speed Included
  
• Dual Beam
  
• 83 kHz/60 degrees & 200 kHz/20 degrees
  
• 250 Watts RMS
  
• 2000 Watts PTP
  
• 50 Channel GPS
  
• UniMap Built-in
  
• Navionics Compatible..Read More
  
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  Humminbird Fishfinder 581i Combo Reviews