La crosse ws 9500 portable anemometer

Ideal portable anemometer for the outdoor professional with wind speed measurement beaufort wind scale wind chill factor maximum wind speed memory lcd back-light and replaceable impeller average wind speed display over a period of time from 2 10 seconds the WS9500 includes the following. Base unit. 1 tassle clip. Outdoor temperature measurement units c or f range from 29.9 c 59.9 c reading every 10 seconds wind speed and wind direction measurement units knots kts miles per hour mph m/s or km/h. Range from 0.2 m/s 30m/s. Simultaneous display during measurement of a graphic indicating wind speed in beaufort. Average wind speed display according a period of time from 2 10 seconds. Battery requirements. 1xcr2032 button lithium battery