Model : PHT-316
* Humidity : 10% to 95% RH.
* Temperature : 0 to 50 oC.
* Temp. unit : oC, oF. internal adjustment.
* Humidity measurement with fast response time
* All in one, pen type, easy carry out.
* Hold function to freeze display value.
* Build in reverse display button.
* DC 1.5V battery ( UM-4, AAA ) x 4.