I am a homeowner, a mandrel finder should be in my toolbox. I recently decided to wall mount my 55 inch TV and the most important thing for me was the accuracy of finding the center studs. I chose this model because it has good reviews and also has a live AC wire detection mode which I think will be useful in future projects. After testing this in different areas I have to say that this stud finder is extremely accurate. , both in locating center bolts and locating AC power cords Quality seems well built and very easy to use. Comes with easy to read instructions with hints if you want more accurate readings. They also include a battery which is a plus (some other spike finders don't come with a battery). My wall mount went up with no issues and overall I'm very satisfied with this product.
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