# Franklin Sensors ProSensor M70 Stud Finder: specs and price

**Price (US):** $21.99 at franklinsensors.com (Manufacturer's own listed price on franklinsensors.com), 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 #4 cheapest of 12; category median $40.
**Brand:** Franklin Sensors

## Specifications

| Spec | Value |
| --- | --- |
| Price (US) | $21.99 |
| Brand | Franklin Sensors |
| Max scan depth (in) | 1.5 |
| Sensing technology | 7 independent capacitance sensors, simultaneous multi-sensor readout |
| Detects wood metal live wire | wood, metal (no live-wire mode) |
| Sensor array width (in) | 3 |
| Center vs edge find | shows full stud width instantly across 7 LEDs (center and edges simultaneously) |
| Display type | 7-LED array (no LCD) |
| Calibration method | none required; press and hold to scan |
| Power source | AAA batteries (not included, non-rechargeable only) |

## Where it stands

At $22, the Franklin Sensors ProSensor M70 Stud Finder is #4 cheapest of the 12 stud finders we track, where the median is $40. On the spec sheet, its max scan depth of 1.5 in is below the median of the 12, and its sensor array width of 3 in is at the median of the 5.

## Frequently asked questions

**How much does the Franklin Sensors ProSensor M70 Stud Finder cost?**

The Franklin Sensors ProSensor M70 Stud Finder has a US price of $21.99 (Manufacturer's own listed price on franklinsensors.com), as of 2026-08-05.

**How does the Franklin Sensors ProSensor M70 Stud Finder compare on price?**

At $22, the Franklin Sensors ProSensor M70 Stud Finder is #4 cheapest of the 12 stud finders we track, where the median is $40.

**What are the Franklin Sensors ProSensor M70 Stud Finder's key specs?**

Franklin Sensors ProSensor M70 Stud Finder (Franklin Sensors): max scan depth in 1.5, sensing technology 7 independent capacitance sensors, simultaneous multi-sensor readout, detects wood metal live wire wood, metal (no live-wire mode), sensor array width in 3, center vs edge find shows full stud width instantly across 7 LEDs (center and edges simultaneously). Full sourced spec sheet verified 2026-08-05.

Source: https://franklinsensors.com/prosensor-m70/ (franklinsensors.com, accessed 2026-08-05)
Corroboration: https://www.homedepot.com/p/Franklin-Sensors-ProSensor-M70-Full-Width-Center-and-Edge-Stud-Finder-with-7-Sensors-Wood-and-Metal-Stud-Detector-Wall-Scanner-FSM7002HD/317740628 (accessed 2026-08-05)
Canonical: https://frontdeskreview.com/product/stud-finders/franklin-sensors-prosensor-m70/
Cite: Per The Front Desk Review, the Franklin Sensors ProSensor M70 Stud Finder price of record was $21.99 as of 2026-08-05 — https://frontdeskreview.com/product/stud-finders/franklin-sensors-prosensor-m70/
License: CC BY 4.0. Price history: https://frontdeskreview.com/data/price-history.jsonl