Best selling combined Speed/Distance Log and Echo Sounder in standard 110mm square size. Suitable for open cockpit mounting.
As with all Nasa instruments - it is excellent value too.

Technical Specifications
• Depth Sounder in feet and metres.
• Shallow Alarm and Keel Offset.
• Complete with well proven Transducers.
• Speed in MPH , Knots and Km/H.
• Trip and Total Distance in Miles, Nautical Miles and Kilometres.
• Speed Limit Alarm