On December 22, 2018 at 12:36, tomciara said...
An Amazon review of more that 20% 1-star should give pause...
Idunno. Definitely was willing to throw $50 it's way to see. One section in my bathroom I have the bottom foot of sheetrock cut out while I fixing a leak. I tested on that wall and it found everything with 100% accuracy. Will try outer walls today. Don't have any plaster walls to try though.