Garmin GPSMAP 421 4-Inch Waterproof Marine GPS and Chartplotter

Garmin GPSMAP 421 4-Inch Waterproof Marine GPS and Chartplotter Review

Garmin GPSMAP 421 4-Inch Waterproof Marine GPS and Chartplotter Feature

• Garmin GPSMAP 421 GPS Chartplotter
• GARMIN GPSMAP 421 GPS CHART PLOTTER
• Internal/External Antenna = Internal | Resolution (VxH) = 240 x 320 | Screen Size = 4.0/3.2x2.4 | Screen Type = Color

Garmin GPSMAP 421 Marine Navigator 010-00764-00 Marine Navigators