AdvanSea Wind-a S400 Analog. Complete with masthead unit + 25m cable. Wind Direction Indication on a 360 Degree Analogue Display. The advanSea S400 series uses cutting edge technology to provide accruate data for cruisers or racers. Accuracy, optimal legibility, flexibility and ease of installation are the key benefits of the S400 series, together with easy intuitive operation with direct function access. LCD screens with wide-angle viewing and super size digits for unmatched visibility. Watertight display facia (IP66); displays feature an anti-fogging coating for optimal saftey even in extreme conditions. The S400 series instruments can also operate as "stand alone" with intelligent transducers or an NMEA0183 source.