This allows it to find fasteners buried deeply under plaster or tile, unlike common magnetic stud finders that use a fixed magnet that are dependent on the user to "feel" the tug.
ðɪs ɐlˈaʊz ɪt tə fˈaɪnd fˈæsənɚz bˈɛɹid dˈiːpli ˌʌndɚ plˈæstɚ ɔːɹ tˈaɪl, ʌnlˈaɪk kˈɑːmən mæɡnˈɛɾɪk stˈʌd fˈaɪndɚz ðæt jˈuːs ɐ fˈɪkst mˈæɡnɪt ðæt ɑːɹ dᵻpˈɛndənt ɔnðə jˈuːzɚ tuː "fˈiːl" ðə tˈʌɡ.