Wall/Floor Scanners

GMS120-27 Professional

Wall/Floor Scanners

Wall Scanner

  • Quick, easy detection – helps detect live wires, metals and wood and steel studs behind drywall
  • Clear detection results – with color-coded marking hole, center indication and LEDs for material identification
  • Stud finding – locates wood and steel studs behind drywall with center identification for more precise detection
  • Jobsite tough construction – with IP54 rating and shock-absorbing rubber casing
  • Power flexibility – works with included AA batteries or 3.7V Li-ion battery (sold separately) for less downtime on the job
  • Bosch measuring and layout tools are covered by a one year limited warranty with an additional year when you register your tool within eight weeks of purchase - for details, visit https://rb-pt.io/PowerToolWarranty or call 1-877-BOSCH99
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Functions & key features

Detects live wires.
Detects metal.
Detects wood.
IP 54 - Protected against dust and splashing water from any direction.​
Power flexibility - works with Bosch's 3.7V Lithium-Ion 1.0 Ah battery or two AA batteries.

GMS120-27 Professional

Technical data

The most important data

Height in 1.3 "
IP Rating IP 54
Length in 7.32 "
Max Detection Depth Copper Wiring Up to 2-in
Max Detection Depth Ferrous Metals (Steel) 4" (100mm)
Max Detection Depth Non-Ferrous Metals (Copper) Up to 4-3/4-in (12 cm)
Operating Temperature 14° F / -10° C ~1 22° F / 50° C
Weight 0.64 lb
Width in 3.4 "
Includes (1) GMS120-27 Wall Scanner
(2) AA Batteries
(1) Soft Pouch

GMS120-27 Professional: Further information

Product Highlights

The Bosch GMS120-27 Wall Scanner provides quick, easy, and accurate detection of wood and steel studs, metals, and live wires behind drywall. Power flexibility helps keep the scanner up and running on the job with the option to use with the included two AA Batteries or 3.7V Li-Ion battery (sold separately). Get clear, confident results with the intuitive user interface that displays object center indication and material identification. Easy to use, the device glides smoothly across the wall and the color-coded illuminated marking ring makes fast, accurate work of transferring detection results. IP54 rating and shock-absorbing rubber casing help provide added durability on tough jobsites.

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