The Front Desk Review

Bosch · Updated August 2026

Bosch GMS 120 Professional Digital Multi-Scanner: price & specs

Bosch GMS 120 Professional Digital Multi-Scanner. Every price and spec below is linked to its source and dated — no guesses.

Source: boschtools.com verified ✓ corroborated verify in ledger

On the Recordsourced & dated · eligible
See Bosch GMS 120 Professional Digital Multi-Scanner on Amazon Live price at the store — may differ from the dated listed price above. As an Amazon Associate we earn from qualifying purchases.
Bosch GMS 120 Professional Digital Multi-Scanner — Bosch
Image: boschtools.com (© Robert Bosch Tool Corporation)

Is the Bosch GMS 120 Professional Digital Multi-Scanner a good buy?

At $109, the Bosch GMS 120 Professional Digital Multi-Scanner is #10 cheapest of the 12 stud finders we track, where the median is $40. On the spec sheet, its max scan depth of 4.75 in is the highest of the 12.

Specifications

Price (US)$109.48 Pro Supply Center authorized-dealer price; Bosch's own boschtools.com page does not display consumer pricing (403 on repeat direct fetch), and street prices seen elsewhere range roughly $80-$120
BrandBosch
Released—
Max scan depth (in)4.75
Sensing technologycapacitive/inductive multi-mode with automatic calibration; illuminated status ring (green/orange/red)
Detects wood metal live wirewood studs, ferrous metal to 4.75 in., non-ferrous metal to 3.125 in., live AC wiring to 2 in.
Sensor array width (in)—
Center vs edge findautomatic center finder for detected objects
Display typeilluminated graphical display
Calibration methodautomatic calibration in each of 3 modes (wood/metal/AC)
Power source9V battery (included)

Source: boschtools.com (verified 2026-08-05) · corroborated by prosupplycenter.com. Bosch's official GMS 120 product page confirms detection depths (wood not stated, ferrous metal 4-3/4 in., non-ferrous 3-1/8 in./80mm, live AC wiring 2 in.), illuminated graphical display, automatic center finder, 3-mode automatic calibration, illuminated green/orange/red status ring, and 9V battery (included). Bosch's own site does not publish a consumer price; Pro Supply Center's authorized-dealer listing ($109.48) is used as the representative figure, with the wider $80-$120 range seen at other resellers noted.

Is the Bosch GMS 120 Professional Digital Multi-Scanner worth it vs cheaper stud finders?

Bosch GMS 120 Professional Digital Multi-Scanner against its closest cheaper and pricier stud finders on the specs that matter — every value sourced. See all 12 ranked

ProductPriceMax scan depth (in)Sensing technologyDetects wood metal live wireCenter vs edge findDisplay type
Bosch GMS 120 Professional Digital Multi-Scanner this$109.484.75capacitive/inductive multi-mode with automatic calibration; illuminated status ring (green/orange/red)wood studs, ferrous metal to 4.75 in., non-ferrous metal to 3.125 in., live AC wiring to 2 in.automatic center finder for detected objectsilluminated graphical display
Franklin Sensors ProSensor 710 Professional Stud Finder$52.951.613 independent capacitance sensors, simultaneous multi-sensor readoutwood, metal (no dedicated live-wire mode)shows full stud width instantly across 13 LEDs (center and both edges simultaneously)13-LED array (no LCD)
Walabot DIY 2 Precision Wall Imaging Stud Finder$199.954RF/radar-based wall imaging (Walabot proprietary sensor array) with smartphone appwood studs, metal studs, live and non-live wires, pipes, and movement/pestsfull 2D image of wall cavity contents (Image Mode and raw-data Expert Mode) rather than single-point center/edge indicationsmartphone app display (iOS/Android) via built-in Wi-Fi, Image Mode and Expert Mode heat-map views

Frequently asked questions

How much does the Bosch GMS 120 Professional Digital Multi-Scanner cost?

The Bosch GMS 120 Professional Digital Multi-Scanner has a US price of $109.48 (Pro Supply Center authorized-dealer price; Bosch's own boschtools.com page does not display consumer pricing (403 on repeat direct fetch), and street prices seen elsewhere range roughly $80-$120), as of 2026-08-05.

How does the Bosch GMS 120 Professional Digital Multi-Scanner compare on price?

At $109, the Bosch GMS 120 Professional Digital Multi-Scanner is #10 cheapest of the 12 stud finders we track, where the median is $40.

What are the Bosch GMS 120 Professional Digital Multi-Scanner's key specs?

Bosch GMS 120 Professional Digital Multi-Scanner (Bosch): max scan depth in 4.75, sensing technology capacitive/inductive multi-mode with automatic calibration; illuminated status ring (green/orange/red), detects wood metal live wire wood studs, ferrous metal to 4.75 in., non-ferrous metal to 3.125 in., live AC wiring to 2 in., center vs edge find automatic center finder for detected objects, display type illuminated graphical display. Full sourced spec sheet verified 2026-08-05.

Price of record: $109.48 at boschtools.com, 2026-08-05. Other retailers may be lower — check the current price:

See Bosch GMS 120 Professional Digital Multi-Scanner on Amazon As an Amazon Associate we earn from qualifying purchases.

Similar stud finders

Nearest in price — swipe to browse. Every pick sourced and dated.

All stud finders ranked · Open data & methodology · Queryable via MCP

Compare with

Head-to-head

Cheaper stud finders

Step up

More from Bosch

Related categories