Franklin Sensors ProSensor M150/X990 9-Sensor Stud Finder
AC Wire Warning
at Amazon· sold by Franklin Sensors Inc.
#65 by sales rank of the 420 in Tools & garden
Go to Amazon$39.97 has not moved in 21 days.
Every check since September 18 has read the same number. That does not make it cheap, but waiting for a drop has nothing behind it: the price has not been falling.
This describes the prices we recorded. It is not a forecast of where this one goes next.
Price at AmazonVerified
Price history
Tracking since September 18, 2026 · 23 days on record
The price has not changed since we started watching, so there is no line to draw yet. A chart appears the first time it moves.
Sales events
Next on the calendar: Black Friday, November 27. We keep checking this price through it and report here what it did.
Where to buy
- Held for
- 22d
- Their 23-day low
- $39.97
- Checked
- 10h ago
Prices checked at least every 12 hours. “Held for” is how long that retailer has been charging this price. A hidden price is one we cannot re-confirm recently enough to publish.
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Tell me when it drops
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What it is
3 attributes, in the retailer’s own words. We record the prices; these we only pass on.
- Color
- Yellow
- Dimensions
- 5.51 × 2.99 × 2.01 inches
- Model
- ProSensor M150
Cheaper in Tools & garden, and what changes
Things we track on the same shelf for at least 10% less than $39.97, with the attributes the retailers describe differently. Their words, not our judgement — we record prices, we do not test products.
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$39.97
at Amazon · we earn a commission