Never again will you end up putting multiple molly-screw holes in your sheet-rock walls trying to avoid hitting a major stud beam, metal, water pipe, or electrical wiring. Never again will you need to fix a major plumbing, or electrical wiring, problem because you drilled a hole in your wall without knowing what was hidden behind it. With the 3-in-1 Stud Detector, Voltage & Metal Detector you can avoid ALL of these potential problems. Best of all, the 3-in-1 Stud Detector, Voltage & Metal Detector sells for a fraction of the competition's Stud Finder products! Shop around and you will find that similar products in this price range are Stud Finders ONLY. You can NOT get a 3-in-1 Stud, Metal, & Voltage Detector product anywhere else for even close to our price!