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The GPSMAP550S includes a powerfull 500watt RMS Dual frequency transducer to reach depths of up to 1500ft. This unit also includes "Ultrascroll™" for lightning-fast screen updates, new AutoGain technology to enhance target visibility, A-scope, split zoom, bottom lock and a host other Garmin features. Preloaded with the entire Australia and New Zealand Marine BlueChart®, including worldwide satellite imagery basemap. | |||
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