This unit has a calibration-free humidity sensor to maximize its use in the field. Speedtech's exclusive Accuweather.com Comfort Index includes impact of sun intensity, humidity, wind, and temperature.
Measurement units: Mph, km/h, knots, ft/min,m/s Beaufort.
*Current, Average, Max Windspeed
Average reading based on 5/10/13 second intervals.
Digital wind direction in degrees & compass points
Cross wind & head/tail wind readings
Temperature and windchill
Precision made components
2 year warranty
Features: Auto shut off, Folding Cover, Backlight, and Replaceable Lithium battery. Lanyard and battery included.