Bosch GMS120 - Electronic Wall Scanner


Bosch wall scanners find magnetic and non-magnetic metals, power cables, wooden substructures or even plastic pipes with maximum reliability and precision.


  • Multi-mode detection — for detection of wood studs, metal objects (rebar, studs and steel/copper pipes) or live wiring
  • Illuminated ring indicates detection status — green (no object found)/orange (object near)/red (object found within the detectable sensor area)
  • Automatic center finder — for locating center of detected wood or metal object
  • Illuminated graphical display — indicates mode, detection strength and more
  • Three selection modes (wood, metal, AC wiring) – with automatic calibration for easy and precise detection
  • Audible detection signal – with on/off button
  • Ergonomic soft-grip – for secure grip and comfort
  • Illuminated ring indicates detection status


  • (1) GMS 120 Wall Scanner
  • (1) Hand Strap
  • (1) 9V Battery
  • (1) Pouch

Owner’s Manual HERE.