Product review (5 stars): Senbowe's Excellent Customer Service
As much as I like the color and compact size of this thermometer/hygrometer, the magnet is pretty weak and the accuracy of the hygrometer is questionable when comparing it to other devices I own.

EDIT: It seems like I may have received a defective item and the company reached out to me to offer a replacement or refund. The response from Senbowe was prompt, professional, and I was a bit impressed by it.  For such a small item, the company was willing to resolve the matter and gave me the choice of how it should be handled.  That type of customer service is something that I can appreciate and the replacement item has no issues.