I had a problem with the detector and the seller fixed it quickly. Serious seller who fixed the problem for me

It does not carry instructions in Spanish. You have to go through it until you guess how it works.

It came quickly. Works well. You can calibrate with a separate button. Easy to look for wiring.

Zaz came quickly, everything works, but the instruction for Russian was not superfluous.

I tested and working fine. Good product. I find pipe water, AC and Stud.