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Unfortunately Humminbird 581i HD DI Combo Marine GPS Navigator is not listed by RadarGuns.You can also explore other items in the Fish Finders yourself to try and find the perfect replacement for you!

Product Info for Humminbird 581i HD DI Combo Marine GPS Navigator

Being a dealer for Humminbird, we are currently selling Humminbird 581i HD DI Combo Marine GPS Navigator at the best prices. We only carry top quality Fish Finders here so no matter if you're a hunter, civilian, or in the military, you can be positive that we offer the right gear. If you would like choose a wider collection, you can search our main Fish Finders page. In case you have any questions, we've got a very experienced staff here. Our customer service are available by phone, chat and email. So begin looking now and look for the right Fish Finders your needs.image

Specifications for Humminbird 581i HD DI Combo GPS Fishfinder:

Display Size: 5.0" diagonal
Display Pixel Matrix: 640V x 320H
Display Type: FSTN LCD
Display Colors/Grayscale: 16 Level Grayscale
Down Imaging Sonar Coverage; 455 kHz / 75° @ -10db; 800 kHz / 45° @ -10db:
Dual Beam PLUS Sonar Coverage: 200 kHz / 28° @ -10db; 455 kHz / 16° @ -10db
Target Separation: 2.5 inches
Power Output (RMS): 500 Watts (RMS)
Power Output (Peak to Peak): 4000 Watts (Peak-to-Peak)
Temperature: Included
Speed: GPS Speed Included
Backlight: Yes
Waterproof: Yes
Mount: Quick Disconnect
Unit Size: 7.25" H x 7" W x 4" D
Transducer - Standard: XNT-9-DI-T
Transducer Mounting: Inside Hull or Transom
Power Input: 10-20 VDC
Power Draw: Lights off

Features of Humminbird 581i HD DI Combo Sonar Fishfinder & GPS:

  • ADVANCED SONAR FEATURES
  • Switchfire Sonar
  • Split Screen Zoom
  • Split Screen Bottom Lock
  • Wide Narrow Cone Split Screen
  • Freeze Frame with the ability to Mark Structure on Sonar
  • Selective Fish ID+
  • Real Time Sonar RTS Window
  • Sonar Echo Enhancement
  • TrueArch Technology
  • USER-FRIENDLY TECHNOLOGY
  • 3D Chart View
  • Large Digits View
  • Custom View Selections
  • Custom Digital Readout Selection
  • Selectable Display Colors
  • Selectable Background Colors
  • Triplog
  • X-Pressâ„¢ Menu System

Package Contents:

  • Humminbird 581i HD DI Combo Marine GPS Navigator, 5", Grayscale, Sonar Detector 4089901

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