* Air velocity : 0.4 to 30.0 m/ s, ft/ min., km/ h, mile/ h, knots.
* Humidity : 10% to 95% RH, Dew.
* Temperature : 0 to 50 oC, oC/ oF.
* All in one, hand held type.
* Vane probe for anemometer.
* Hold, Record ( max., min. ) .
* DC 1.5V battery ( UM-4, AAA ) x 4.