Humidity/Barometer/Temp. Meter
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* Barometer : 10 to 1100 hPa, mmHg, inHg.
* Humidity : 10% to 95% RH, Dew.
* Temperature : 0 to 50 oC, oC/oF.
* All in one, pen type, easy carry out.
* Hold, Record (max., min.).
* DC 1.5V battery (UM-4, AAA) x 4.