VANE ANEMOMETER/BAROMETER/HUMIDITY/TEMP. Model : ABH-4225 * Air velocity : 0.4 to 30.0 m/s, ft/min., km/h, mile/h, knots. * Barometer : 10 to 1100 hPa, mmHg, inHg. * Humidity : 10% to 95% RH, Dew. * Temperature : 0 to 50 °C, °C/°F. * All in one, hand held type. * Vane probe, high reliability. * Hold, Record ( max., min. ). * DC 1.5V battery ( UM-4, AAA ) x 4.
