Brass-cased instrument with a "brain" to record changes and trends as well as present conditions. Readings given in four modes. 'Present' displays existing wind conditions. 'Peak' gives speed and direction of highest gust since last reset. 'Average' reveals average wind speed and direction since last reset. 'Forecast' compares most recent 12-minute average with previous 12 minutes. Allows you to see trends and changes in wind conditions. Memory is protected by 15-hour backup. Cables, AC adapter, sensors and hardware supplied. Black dial.