AdvanSea Wind Instrument Analogue with masthead unit + 25m cable. Features: Instant wind direction information in analogue and digital display Data displayed on 2 user-settable lines (upper line 32 mm high, lower line 22mm high) Proprietary bus interface and NMEA0183 input/output Wind speed )0 to 199 knots) Wind direction through 360¦ Wind trend indication Apparent and true wind angle and speed Wind direction at 1¦ resolution VMG speed Wind speed alarm Low battery alarm Simulation mode