SKU: 56350483295

Garmin GMI™ 20 Marine Instrument Display

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Description

Garmin GMI™ 20 Marine Instrument DisplayGMI 20 Marine Instrument Display Perfectly Designed for Power & Sail Vessels The GMI 20 digital marine instrument display is perfectly designed for both power and sail vessels. Designed to clearly show depth, speed, wind and 100+ marine and vessel parameters, its large, bright 4" color display with extra large digits is easy to read at a distance and 170 degree viewing angle. A glass bonded finish lens prevents fogging and increases contrast. Daylight

GMI™ 20 Marine Instrument Display

Perfectly Designed for Power & Sail Vessels

The GMI 20 digital marine instrument display is perfectly designed for both power and sail vessels. Designed to clearly show depth, speed, wind and 100+ marine and vessel parameters, its large, bright 4" color display with extra large digits is easy to read at a distance and 170 degree viewing angle.

A glass-bonded finish lens prevents fogging and increases contrast. Daylight readability is enhanced with a high contrast color scheme. For enhanced night visibility, you have a choice of red/black, green/black or the normal night mode color scheme along with a dimmer control. Screens can be set to auto-scroll, cycling between pages automatically without your having to do a thing. This is especially advantageous to sailors as it allows you to install the unit(s) in a greater variety of locations on the vessel. Default profiles can be customized for powerboat, sailboat, fishing, engine/fuel, plus several other user-specified profiles. Power is supplied by the NMEA 2000® network.

In addition, the GMI 20 also features a dedicated race timer that counts down and counts up, with an internal beeper. Included are 2 trim snap piece cover options which allow you to match the GMI 20 with the GPSMAP® 500/700 series, GPSMAP 8000 Glass Helm series or legacy Garmin chartplotters.

Features:

  • Marine instrument display clearly shows depth, speed, wind and 100+ marine and vessel parameters
  • Large, bright 4" color glass-bonded lens display with anti-glare finish
  • Easy to read from a distance and 170 degree viewing angle
  • Enhanced night time readability with backlight dimmer and full color or red/black or green/black color schemes
  • Enhanced daylight readability with new high contrast color option

Specifications:

  • Dimensions without sun cover (HxWxD): 110 x 115 x 30 mm (4.33" x 4.53" x 1.18")
  • Dimensions with sun cover (HxWxD): 115 x 120 x 35.5 mm (4.53" x 4.72" x 1.40")
  • Weight without sun cover: 247 g (8.71 oz)
  • Weight with sun cover: 283 g (9.98 oz)
  • Temperature range: From 5x to 158x F (from -15x to 70x C)
  • Compass-safe distance: 209 mm (8.25")
  • Case material: Polycarbonate, waterproof to IPX7
  • Power usage: 2.5 W max
  • Unit max. voltage: 32 Vdc
  • NMEA 2000r input voltage: 9-16 Vdc
  • NMEA 2000 load equivalency number (LEN): 6 (300 mA at 9 Vdc)

In The box

  • GMI™ 20*
  • Black trim piece snap cover
  • Protective cover
  • Flush mount gasket and hardware
  • NMEA 2000® T-connector
  • NMEA 2000 drop cable
  • Documentation

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.


Product : GARMIN GMI 20 MARINE INSTRUMENT DISPLAY
Manufacturer : Garmin
Manufacturer Part No : 010-01140-00
Product : GARMIN GMI 20 MARINE INSTRUMENT DISPLAY
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 56350483295

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4.1 ★★★★★
Based on 15 reviews
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Verified Purchase
Bob Wilson
Battle Creek, US
★★★★★ 4
For the price, it's a very good wireless mouse. But it's not my MX Anywhere.
Style: M705
I have two first generation MX Anywhere Mice that have countless hours and probably thousands of "miles" on each of them. Didn't know what they were about until I'd owned the first one for a few months, which eventually led to my buying a second one. That second one was "refurbished" because it was purchased some time later (from Amazon), as by then the second generation had been released and I simply liked my first gen so much I wanted another. So why did I buy the M705 Marathon Mouse? Well, the MX I've used the most over the years turned out to be the refurbished one. Why? Luck of the draw? Don't really know, but because of the constant, daily use it began giving me problems with double clicking on the left button and occasionally on the right button. That's a lot of use! I looked at buying the latest MX Anywhere mouse, but didn't like the prices and couldn't be sure if they were as well made as my originals. So, I ordered the Marathon, which appeared to be a less expensive version of the MX. Well, unfortunately it's not. Compared to most other mice, the Marathon is fine; typical good Logitech ergonomics, tracking and getting the job done. But, park it next to my MXs and use them one after the other and you "feel" the difference. As old as my MXs are, they still feel more precise, tighter and more responsive than the Marathon. They also are a better fit for my hand; the Marathon is a larger mouse which for where I use it means it doesn't "fit" my work area as well. Also, Logitech claims you can "customize" the Marathon using their software, but it was a lot of work to actually find "that" software for the Marathon and once I did it simply did not work as well as the software/MX Anywhere combo I've used for so long. What the Marathon has going for it is it's price, it's still an RF (radio frequency) and not a Bluetooth mouse (I hate Bluetooth mice, totally different response curve), and it is "Logitech." So what does all of this mean? Well, I put the Marathon to work (yeah, no more unwanted double clicking!) and parked the refurbished MX. I then checked on Mouser Electronics, found the correct replacement switches for my MX ($0.80 each), ordered them, and upon arrival I replaced the old switches. It was an easy swap on the little MX circuit board (it did require some extensive tear-down), with the result of: My old MX is back in service! And what's to become of my Marathon? Well, it's a good mouse, so it has a new home out in my shop, as it replaced my Logitech wireless mouse for my Dell laptop I use out there. By the way, that Logitech is from the late 1990's (Win 98/Win XP period)! And I don't think that one will ever wear out!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 28, 2024
M
Verified Purchase
Mr.Bobcat
Port Orchard, US
★★★★★ 5
Very Good
Style: M705
I still haven't had to change the batteries since I bought this mouse. I use it every day, mainly for gaming. It works great, no lag, It's quick and responsive. Its the best mouse I have ever owned.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 16, 2026
U
Verified Purchase
unclejef
Lowell, US
★★★★★ 5
Beware of the Top Button!!😁
Style: M705
A smooth but weighted feel on a mouse pad. I have mice that move with a much lighter touch, but this is great for the computer I use with my main TV screen. Beware of the top damnable button, the one just before the scroll wheel. It turns off the clicky graduations you wheel as you roll the scroll wheel with your fingertip. When used it unleashes a whirling dervish of a gremlin, your screen will continue to scroll after you want it to stop. Sometimes it will start on its own! Incantations, voodoo, chick bones, curses and magic wands have no effect. Yelling seems to make it worse. There is no other cure other than to push the top button from Hades again. Clicks from the two main buttons are easily audible but not obnoxious. The side buttons for screen forward & back work very well also. This is my second one of these, the first stopped moving smoothly on a pad, no amount of polishing seemed to help so I retired it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 27, 2025
R
Verified Purchase
Rudy
Draper, US
★★★★★ 5
Important Info for Connecting Replacement Mouse
Style: M705
I purchased the MK705 mouse to replace the same model that had simply worn out after over 13 years of faithful service. The MK700/710 Logitech keyboard is still going strong, albeit with a few worn keys. I did however run into an issue when installing the new mouse. At first I left the old unifying receiver that came with the old mouse plugged into a usb port. I installed the batteries in the new mouse, turned it on, and found that it would not work. I figured it needed the new unifying receiver, so I turned off the keyboard and mouse and plugged the new receiver into the same USB port. The new mouse then worked but the keyboard would not. I couldn't figure out what was wrong, so I phoned Logitech support. The gentleman I spoke with walked me through the connection process, which was done on their website "logiwebconnect.com". Should you run into the same issue, the process is simple. You probably won't need any help from tech support, but if you do, they were easy to get in touch with.
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Reviewed in the United States on July 23, 2025
A
Verified Purchase
Aaron Ruggiero
Port Orchard, US
★★★★★ 5
Still the champ
Style: M705
Love it!!! Got this originally when it first came out. The people who talk about the scroll wheel are not very smart. It has a button to switch from hyper to regular scrolling. I do use a mouse pad. So it moves fine. Feels very comfortable in your hand. Obviously this is not for gaming. Great mouse for your home office computer.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 30, 2025

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