Thus, three different values: residual moisture content of wood, walls and room temperature.
The three modes can be changed and are indicated by an appropriate symbol. That's easy.
The batteries are unfortunately button cells, which eventually has to do with the design.
Because that is really "mini" ...
I would compare the size of a Zippo lighter, the size is similar.
The two metal contacts can be covered by a cap.
I am satisfied with the meter.
