advanSea Speed S400 Display Only Marine Speedometer for Clear Legible NMEA Data and Easy Navigation HL1600S The ability to operate from

The ability to operate from either side and to lock in a ventilating position offers flexible

it can be oriented to suit your space

Silicone-free and versatile

Why the Radial Drum Design matters

owners who demand a clean

advanSea Speed S400 Display Only Marine Speedometer for Clear Legible NMEA Data and Easy Navigation HL1600S The ability to operate fromadvanSea Speed S400 Display Only Clear, Stand Alone Marine Speedometer The advanSea Speed S400 Display Only is a dedicated cockpit data hub built for serious sailors who demand instant access to critical speed and navigation information. As a stand alone display, it delivers race level visibility with cruising practicality, drawing data from intelligent transducers or any NMEA0183 source for a streamlined, reliable reading in any weather or sea state.