What You Get? 1* 9V Battery1* User Manual1* Protective Bag1* Small Screwdriver1* Multifunctional Anemometer KE-866B-WM MAX/MIN/AVG/Real-time Measure Wind Chill Indication Backlit LCD Display / Optional Manual/Auto Off Tripod Hole Mounting Kethvoz KE-866B-WM Anemometer with Hygrometer Barometer Altimeter KE-866B-WM is a multifunctional wind speed meter, wind temperature gauge, hygrometer, barometer and altimeter combines with wind chill indication and dew point measurement. With this practical anemometer on hands, you could know how the environment changing clearly, like air flow velocity , temperature, altitude, humidity and altitude so on. Air Flow in CFM (Q) = Flow Velocity in Feet Per Minute (V) x Duct Cross Sectional Area (A Wind Velocity Range: 0.67~67.
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