Humminbird 581i internal gps combo

• Display Size: 5.0" diagonal
• Display Pixel Matrix: 640V x 320H
• Display Type: FSTN LCD
• Display Colors/Grayscale: 16 Level Grayscale

• Sonar Coverage 200 kHz/20° @ -10db
• 83 kHz/60° @ -10db

• 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
• Navionics GOld/HotMaps Optional
• Target Separation: 2.5 inches
• Power Output (RMS): 250 Watts (RMS)
• Power Output (Peak to Peak): 2000 Watts (Peak-to-Peak)
• Temperature: Included
• Speed: GPS Speed Included
• Backlight: Yes
• Waterproof: Yes
• Mount: Quick Disconnect
• Unit Size: 7"H x 7"W x 4"D
• Transducer Standard: XNT-9-20-T
• Transducer Mounting: Inside Hull or Transom
• Power Input: 10-20 VDC
• Power Draw: Lights off: 200mA

Humminbird 581i internal gps combo