For device and its benefits:
In my case, the device worked well and helped to discover a significant water damage that I alone could hardly detect with the naked eye, because he hides behind a separation was me.
The device is handy and completely easy to use.
Switching, selection on wood or masonry and the unit with the two probes press into the surface. The unit immediately displays the value. This is signaled with a beep. This makes sense because you want to measure sometimes ask which can be seen immediately on the display so be it.
Both probes make a solid impression and hold the fixed pressure in the plaster, wood etc. from.
The moisture values are explained on the back of the unit also in a clear table. Highly user-friendly.
In my case I can say that the accuracy closely agreed as a professional with his 5 times as expensive instrument was given the same values.
I would recommend this device without hesitation. 5 Stars!