Knowing how deep the water is beneath your vessel will ensure a smooth sail free from the risk of going aground. The NASA Clipper Duet is a high-tect accurate product that not only reads the depth, but also measures your speed.
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.