GARMIN GMI 20 NMEA Compatible Marine Instrument, bright 4” color display | 010-01140-00

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 plus marine and vessel parameters, its large, bright 4 in color display with extra large digits is easy to read at a distance and 170 deg viewing angle.