# Bosch GMS 120 Professional Digital Multi-Scanner: specs and price

**Price (US):** $109.48 at boschtools.com (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. A sourced, dated price of record — other retailers (incl. Amazon) may be lower. Among the 12 stud finders we track it is #10 cheapest of 12; category median $40.
**Brand:** Bosch

## Specifications

| Spec | Value |
| --- | --- |
| Price (US) | $109.48 |
| Brand | 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. |
| Sensor array width (in) | — |
| Center vs edge find | automatic center finder for detected objects |
| Display type | illuminated graphical display |
| Calibration method | automatic calibration in each of 3 modes (wood/metal/AC) |
| Power source | 9V battery (included) |

## Where it stands

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.

## 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.

Source: https://www.boschtools.com/us/en/products/gms-120-0601081010 (boschtools.com, accessed 2026-08-05)
Corroboration: https://prosupplycenter.com/product/3260/bosch-gms120-wall-scanner-stud-finder/ (accessed 2026-08-05)
Canonical: https://frontdeskreview.com/product/stud-finders/bosch-gms-120/
Cite: Per The Front Desk Review, the Bosch GMS 120 Professional Digital Multi-Scanner price of record was $109.48 as of 2026-08-05 — https://frontdeskreview.com/product/stud-finders/bosch-gms-120/
License: CC BY 4.0. Price history: https://frontdeskreview.com/data/price-history.jsonl