This SPERRY MARINE SRD 331 Speed Log Doppler Log Electronic Unit is a top-of-the-line navigation device for boats. It is made by a trusted brand and comes with a 60-day warranty. The unit is manufactured in the United Kingdom and is perfect for those who love to explore the seas. It is an ideal addition to any boat's electronics and navigation system. This device provides accurate measurements of speed and direction, making it an essential tool for safe and efficient navigation. It is compatible with various boat parts and accessories, and is sure to enhance your boating experience.
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