The Garmin GMI 20 is a marine instrument display for power and sail boats that shows depth, speed, wind and more than 100 marine and vessel parameters. Its bright 4 in color display has a glass-bonded, anti-glare lens and a 170 degree viewing angle, with red/black and green/black night color schemes and a dimmer. It is powered from the NMEA 2000 network.
- Display: 4 in color QVGA, 320 x 240 pixels
- Dimensions: 110 x 115 x 30 mm (4.33 x 4.53 x 1.18 in)
- Weight: 247 g (8.71 oz)
- Water rating: IPX7
- Voltage range: 9 to 16 V (from NMEA 2000)
- Power consumption: 3 W max
Technical Specifications
| Display | 4 in color |
|---|---|
| Dimensions without sun cover | 110 x 115 x 30 mm (4.33 x 4.53 x 1.18 in) |
| Dimensions with sun cover | 115 x 120 x 35.5 mm (4.53 x 4.72 x 1.40 in) |
| Weight without sun cover | 247 g (8.71 oz) |
| Case | Fully gasketed polycarbonate |
| Lens | Glass with anti-glare finish |
| Water rating | IPX7 |
| Operating temperature | 5 to 158 °F (-15 to 70 °C) |
| Power usage | 1.35 W max |
| NMEA 2000 | 9 to 16 V DC input, LEN 3 |
| Part number | 010-01140-00 |








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