Reading Firstly;
Dear buyer，Thanks for your attention on my products!
we have to tell you that we have the right to choose the best shipping way to avoid customs risk.if you want to decide the shipping，pls contact me before order to avoid bad feedback. we normally ship the goods in 48 hours or sooner.

Feature:
1.Measuring humidity range:10%RH-99%RH.
2.Humidity accuracy:+-5%.
3.Humidity display resolution:+-1%RH.
4.Measuring Temperature range:-50Centigrade-70Centigrade

5.Temperature accuracy:1

6.Temperature display resolution:0.1Centigrade

7.Operating voltage:1.5v， one buuton cell size LR44.
8.Dimesion:48mmx28.6mmx15.2mm.
9.LCD dimension:46mmx 27mm.(1in=25.4mm)
Battery installtion:
1.Lift stand at the back of the unit.
2.Slidingly open the battery cover as per the arrow indiction.
3.Slidingly inset one or two button cell battery into the battery housing(note the polaruty).
4.Close the battery cover.