Garmin GNX 21 Marine Instrument w/Inverted Display - 4" [010-01142-10] sunfrost } #TABLE-FViDDxVgLf { margin-bottom: 10px

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You get the highest resolution ClearVü and SideVü scanning sonar images available plus amazingly clear high wide CHIRP traditional sonar1 — all in one transducer

Electrical hard‐wire ready

DIYPRO Cable

Garmin GNX 21 Marine Instrument w/Inverted Display - 4" [010-01142-10] sunfrost } #TABLE-FViDDxVgLf { margin-bottom: 10pxGNX 21 Marine Instrument with Inverted Display 4" Marine Instrument with Inverted 4" LCD Large, easy to read white or color digits on a black background for high visibility in low light or darkness; choose from 7 customizable backlight colors Glass bonded display with anti glare lens avoids fogging Fully customizable user profiles for sail or power boating to display most important marine and vessel data Low power consumption (25 mA) with 350 mW (no