SynkTech MS6252B Digital Anemometer Wind Speed Air Volume Measurement USB Data uploading Air Humidity Flow Meter Anemometer STEADY WIND SPEED MEASUREMENT & HIGH ACCURACY. MULTIFUNCTIONAL ANEMOMETER YOU WILL NEED.Wind Speed, temperature and wind chill in one LCD display. Digital Anemometer Handheld measure wind speed in 5 units: m/s, km/h, ft/min, knots, mph. ESSENTIALS FOR BAD WEATHER.You will know the hurricane trend before going out. This air flow meter can be used for hand-held or fixed measurement.This meter has the functions of reading. Used to measure temperature, humidify, dew point temperature, wet bulb temperature, wind speed,air flow meter, digital anemometer.