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It works best as a metal detector but you can't turn off the live-wire detector which is fooled by static electricty and gives so many false positives you don't know what you have in the wall. I cut into the wall and found the Zircon was correct and there was NO wires, live or otherwise. I then tried a Zircon stud finder that cost half as much as the Bosch and found less studs and those it found were in different positions than those indicated by the Bosch. This device attempts to be a stud finder, metal finder and live-wire detector. I recently tried to find the position of studs in an exterior wall of a new home with sheetrock and vinyl siding. The Bosch showed the position of the studs off by 1-2 inches and indicated studs were there were none. In the metal mode I got a rough idea (looking for nails or screws) but it seemed to identify more studs than existed and according to the readings I was sure there was a live-wire in there.
I was disappointed in the stud finder. I found the finder's performance lacking. Using it on an outside wall that has foil backed insulation is a normal task.
FYI, the UK version of this is "DMF 10 Zoom". A search using this reference will give you reviews.From what I've read this is a good quality and relatively inexpensive wall scanner.Looking forward to getting hold of one.
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