Product review (4 stars): this product seems to be working pretty good. I can not vouch on the accuracy ...
So far, this product seems to be working pretty good. I can not vouch on the accuracy of this hygrometer but it seems to change the readings when I move it from room to room and that is an indication that it is recognizing the fluctuations. For and item that costs less than $10, I would recommend to a buy if you have a need for it.