Veratron AcquaLink Analog Wind Short Arm Sensor - BlackAcquaLink Analog Wind Short Arm Sensor Black The legacy wind vane turns in the direction of the wind and steers the wind direction gauge. The wind cups record the relative wind speed which in turn is displayed on the wind speed gauge. Also compatible with VDO Marine Standard & Logic series. This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.