One unbroken wire pays for the cost of the detector. When working, you need not be lazy and look not only at the color indicator, but also at the display. In "suspicious" places it is necessary to repeat the control many times. Got pros: Adequately shows black metal and wiring. I was not interested in wood. Cons below: Didn't see any problems. It works somewhat worse on embossed tiles, which is quite understandable: there is no high-quality contact.
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