NOYAFA Wall Stud Scanner Stud Finder Digital Multi-Scanner Metal + Wood + AC Wire + All-in-one Multimode Detection

Features:
4 Detection Modes: it has metal, wood, AC wire and all-in-one four detection modes to select from according to the different target you detected.
Metal Detection: mainly used to detect steel in walls, metal keels, metal pipes and so on without attaching a wall. (non-metal detection mode must be attached to the wall to detect)
Wood Detection: mainly used to detect gypsum board, wooden beams in the wall, wooden beams cement walls/plastic tubes/hollow, etc.
AC Wire Detection: mainly used to detect 110~220V live wires hidden in the wall.
All-in-one Detection: it is a combination of the metal, wood, and AC wire mode, which can measure multiple detection objects at the same time(but the sensitivity will be lower).