Extech AN10  

AN10: Pocket Series Anemometer

Compact, One-Button Operation Airflow Meter

The AN10 is a convenient pocket-sized Anemometer that is easy to use and easy to stow. Keep one handy for whenever you need to take a quick air velocity measurement from 80 to 3936ft/min (0.8 to 72km/h). Large, backlit LCD display and Double-molded side grip. Complete with 9V battery. CE certified.