# Bosch GMS 120 Professional Digital Multi-Scanner vs Precision Sensors ProFinder 5000+ Deep Scanning Stud Finder: specs and price compared

A sourced, side-by-side comparison of the Bosch GMS 120 Professional Digital Multi-Scanner (Bosch) and Precision Sensors ProFinder 5000+ Deep Scanning Stud Finder (Precision Sensors) among stud finders. Precision Sensors ProFinder 5000+ Deep Scanning Stud Finder is the cheaper of the two at $45.

## Side by side

| Spec | Bosch GMS 120 Professional Digital Multi-Scanner | Precision Sensors ProFinder 5000+ Deep Scanning Stud Finder |
| --- | --- | --- |
| US price | $109.48 | $45 |
| Brand | Bosch | Precision Sensors |
| Max scan depth (in) | 4.75 | 1.5 |
| Sensing technology | capacitive/inductive multi-mode with automatic calibration; illuminated status ring (green/orange/red) | 13 independent sensors, triangulated multi-sensor readout |
| 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. | wood, metal (no dedicated live-wire mode documented) |
| Sensor array width (in) | — | 7.375 |
| Center vs edge find | automatic center finder for detected objects | shows full stud width and precise center/edge location via 13 LEDs |
| Display type | illuminated graphical display | 13-LED array with built-in bubble level and ruler markings |
| Calibration method | automatic calibration in each of 3 modes (wood/metal/AC) | none required; one-step press-and-scan operation |
| Power source | 9V battery (included) | 2x AA batteries (not included) |

## Key differences

- Max scan depth (in): Bosch GMS 120 Professional Digital Multi-Scanner 4.75 vs Precision Sensors ProFinder 5000+ Deep Scanning Stud Finder 1.5
- Sensing technology: Bosch GMS 120 Professional Digital Multi-Scanner capacitive/inductive multi-mode with automatic calibration; illuminated status ring (green/orange/red) vs Precision Sensors ProFinder 5000+ Deep Scanning Stud Finder 13 independent sensors, triangulated multi-sensor readout
- Detects wood metal live wire: Bosch GMS 120 Professional Digital Multi-Scanner wood studs, ferrous metal to 4.75 in., non-ferrous metal to 3.125 in., live AC wiring to 2 in. vs Precision Sensors ProFinder 5000+ Deep Scanning Stud Finder wood, metal (no dedicated live-wire mode documented)
- Center vs edge find: Bosch GMS 120 Professional Digital Multi-Scanner automatic center finder for detected objects vs Precision Sensors ProFinder 5000+ Deep Scanning Stud Finder shows full stud width and precise center/edge location via 13 LEDs
- Display type: Bosch GMS 120 Professional Digital Multi-Scanner illuminated graphical display vs Precision Sensors ProFinder 5000+ Deep Scanning Stud Finder 13-LED array with built-in bubble level and ruler markings
- Calibration method: Bosch GMS 120 Professional Digital Multi-Scanner automatic calibration in each of 3 modes (wood/metal/AC) vs Precision Sensors ProFinder 5000+ Deep Scanning Stud Finder none required; one-step press-and-scan operation
- Power source: Bosch GMS 120 Professional Digital Multi-Scanner 9V battery (included) vs Precision Sensors ProFinder 5000+ Deep Scanning Stud Finder 2x AA batteries (not included)

## Sources

- Bosch GMS 120 Professional Digital Multi-Scanner: https://www.boschtools.com/us/en/products/gms-120-0601081010 (boschtools.com, verified 2026-08-05)
- Precision Sensors ProFinder 5000+ Deep Scanning Stud Finder: https://www.amazon.com/Precision-Sensors-ProFinder-Scanning-Finder/dp/B019HKNO1A (amazon.com, verified 2026-08-05)

Canonical: https://frontdeskreview.com/gear/stud-finders/bosch-gms-120-vs-precision-sensors-profinder-5000-plus/
Cite: Per The Front Desk Review, Bosch GMS 120 Professional Digital Multi-Scanner ($109.48) vs Precision Sensors ProFinder 5000+ Deep Scanning Stud Finder ($45) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/stud-finders/bosch-gms-120-vs-precision-sensors-profinder-5000-plus/
License: CC BY 4.0.