Bosch Professional GMS 120-27 Multi-Detector

Wall Scanner for Metal, Live Wires and Wooden Studs

Bosch Part Number: 0601081700

Genuine Bosch Professional GMS 120-27 wall scanner designed to locate concealed metal objects, live electrical cables and wooden substructures before drilling, cutting or carrying out installation work.

The large illuminated display, directional indicators and colour-coded marking hole make detected objects easy to locate and mark accurately.

Condition

The detector appears unused and remains in excellent, exceptionally clean condition with no obvious signs of practical use.

It has been fully tested and is working correctly. The photographs show the illuminated display, detection indication, colour-coded marking hole and operating modes during testing.

The original retail box is included but has visible cosmetic wear from storage and transport, including scuffs, creasing, tape marks and minor corner damage.

Please examine all photographs carefully, as they form an important part of the description and show the exact item supplied.

Key Features

• Detects magnetic metals such as iron and steel
• Detects non-magnetic metals such as copper
• Detects live electrical cables
• Detects wooden substructures behind drywall
• Maximum overall detection depth of 120 mm
• Clear illuminated graphical display
• Colour-coded marking hole
• Identifies the centre of detected objects
• Indicates detected material characteristics
• Separate metal/live-wire and wooden-substructure modes
• Audible warning signal with mute function
• Simple and intuitive controls
• Shock-absorbing rubber outer casing
• IP54 dust and splash-water protection
• Suitable for professional renovation and installation work
• Can be powered by AA batteries or an optional Bosch rechargeable battery

Detection Depths

• Non-magnetic metal, such as copper: up to 120 mm
• Magnetic metal, such as steel: up to 100 mm
• Live electrical cables: up to 50 mm
• Wooden substructures behind drywall: up to 30 mm

Maximum detection depth depends on the size and material of the object and the material, moisture level and condition of the surface being scanned.

Technical Details

• Brand: Bosch Professional
• Model: GMS 120-27
• Product type: Multi-detector / wall scanner
• Bosch order number / MPN: 0601081700
• Technical product number: 3 601 K81 700
• EAN: 4053423255331
• Maximum detection depth: 120 mm
• Protection rating: IP54
• Approximate weight: 0.29 kg
• Additional function: Marking hole
• Power supply: 2 × 1.5 V LR6 AA batteries
• Also compatible with: 2 × 1.2 V HR6 AA rechargeable batteries
• Optional power supply: Bosch BA 3.7 V 1.0 Ah Li-Ion battery, not included
• Manufacturing date shown on unit: 12/2025
• Country of manufacture: Malaysia

Included

• Bosch Professional GMS 120-27 detector
• Original Bosch protective pouch
• Two AA batteries
• Original multilingual instruction manual
• Bosch quick-reference booklet
• Original paperwork and inserts
• Original retail box

Everything included in the sale is shown in the photographs.

Typical Applications

Suitable for locating concealed objects before:

• Drilling into walls
• Installing cabinets and shelving
• Fitting kitchen units and worktops
• Installing boilers and heating equipment
• Fitting washbasins and bathroom equipment
• Installing air-conditioning or sprinkler systems
• General electrical, plumbing and renovation work

Important Safety Information

No electronic detector can guarantee that every concealed object will be detected under all conditions. Detection performance may be affected by wall construction, moisture, object depth, nearby electrical equipment and other environmental factors.

Always follow the Bosch operating instructions and use additional information such as construction plans or other appropriate checks before drilling, cutting or routing into walls.