Humminbird Fishfinder 581i Combo
- 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
Humminbird Fishfinder 581i Combo Image
Humminbird Fishfinder 581i Combo Pic
Humminbird Fishfinder 581i Combo Image
Humminbird Fishfinder 581i Combo Image
Humminbird Fishfinder 581i Combo Photo
Humminbird Fishfinder 581i Combo Photo
Most helpful customer reviews
7 of 8 people found the following review helpful.
 Humminbird 581i
By Bill A
Installation was easy just follow the instructions and all will go great. You will need to buy a 3amp fuse to install. Thats why the 4 star. I got everthing layed out and had to go get an 3amp inline fuse they should include the fuse and holder to complete the package. works great I have only been out once since I installed unit.
1 of 1 people found the following review helpful.
 Humminbird
By Sivey
Great product have had it a while now and it works perfectly and it woks out nice and cheap to get it from the us
1 of 1 people found the following review helpful.
New fish finder
By tims77bronco
Received the fish finder the night before our family trip to Lake Powell, Utah. Was able to install it in the dark (as long as someone would hold my uncles beer)and had the boat on the lake the next day. I really enjoyed the tracking and general map that came stock. I was going to buy the navtronics maps, but now I am actually quite pleased with the gps functions and maps that are built in. I would recommend the gps function to anyone looking for a new fish finder. I think this was the best value for the price. Easy to use and understand.
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