Garmin GMI 20 Marine Instrument Display
The Garmin GMI 20 provides a dedicated marine instrument display for compatible Garmin systems. Its clear data presentation helps operators monitor connected sensors and vessel information at the helm, supporting efficient navigation decisions without requiring every reading to occupy a multifunction chartplotter screen.
Garmin GMI 20 Marine Instrument Display Specs
| Brand | Garmin |
| Model Name | GMI 20 Marine Instrument |
| Part Number/SKU | 010-01140-00 |
| Technology Category | Multi-function Color Instrument |
| Display Size & Type | 4" Color TFT LCD (Glass-Bonded) |
| Resolution | 320 x 240 pixels |
| Brightness | 700 nits |
| NMEA Interface | NMEA 2000 / NMEA 0183 |
| Networking Ports | 1x NMEA 2000 Port |
| Voltage Input | 9-16V DC |
| Power Draw | 2.5W (Max) |
| Waterproofing | IPX7 |
| Physical Dimensions | 4.33" x 4.53" x 1.89" (110mm x 115mm x 48mm) |
| Weight | 0.55 lbs (247g) |
| Country of Origin | Taiwan |
| Standard Warranty | 2-Year Manufacturer Warranty |











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