The Garmin GPS Map and Sonar 551S is an improved and updated version of the very popular 550s unit. With all the features that made the 550s great but with the added benefit of a new faster processer and increased screen quality.
*Compact easy to see screen - ultra-bright 5” QVGA colour display
*Clear illustration of depth contours and fish - when combined with a powerful dual-frequency transducer whether you’re fishing in freshwater or off the coast.
*High speed processing - high-speed digital design for increased map drawing and panning speeds.
*No need for additional mapping costs - built-in satellite-enhanced basemap preloaded with marine charts for the U.K. and Ireland.
*Upgrade your mapping - accepts BlueChart® g2 Vision cards for added features and functionality such as high-resolution satellite imagery, Mariner’s and Fish Eye views and Auto Guidance technology.
*Connect to your other instruments - NMEA 2000 Compatible