GARMIN 010-00515-20 GPSmap 420 Marine GPS Receiver Without Dual Beam Or Dual Frequency Transducer

The GPSMAP 420 is a sleek, space-saving chartplotter that features an ultra-bright 4 QVGA display; built-in, satellite-enhanced worldwide basemap and simplified user operation. The 420 also has an SD card slot so you can add additional features with the optional BlueChart g2 Vision card.The 420's basemap contains worldwide satellite images in place of more traditional maps, and its SD card slot makes it easy to add additional maps without connecting to a computer. With fewer keys and a simple, intuitive interface, the 420 makes navigating your way through the water easy.Where applicable, the sounder version, GPSMAP 420s, comes with a powerful dual frequency transducer that clearly paints depth contours, fish targets and structure whether you're fishing in freshwater or off the coast. The 420 and 420s are also CANet compatible, so you can share sounder data with another chartplotter on your boat.