Manufacturer | DEWALT |
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Place of Business | BROOKLYN, NY, 11236 US |
Part Number | DW0100 |
Product Dimensions | 14.94 x 3.3 x 22.86 cm; 0.28 g |
Batteries | 2 AAA batteries required. (included) |
Item model number | DW0100 |
Is discontinued by manufacturer | No |
Size | One Size |
Colour | Multi |
Style | Classic |
Finish | Brushed |
Material | Plastic, Metal |
Pattern | Solid |
Shape | Rectangular |
Power Source | Battery Powered |
Voltage | 3 Volts |
Item Package Quantity | 1 |
Display Style | LED |
Included Components | AAA Batteries |
Batteries Included? | Yes |
Batteries Required? | Yes |
Battery Cell Type | Alkaline |
Average Battery Life | 1 Hours |
Item Weight | 0.28 g |
Country of origin | China |
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DEWALT 3/4 in. Stud Finder (DW0100)
Purchase options and add-ons
Brand | DEWALT |
Colour | Multi |
Batteries required? | Yes |
Material | Plastic, Metal |
Power source | Battery Powered |
Item weight | 0.01 Ounces |
Product Dimensions | 14.9L x 3.3W x 22.9H Centimetres |
Battery life | 1 Hours |
Adjustable length | Yes |
International protection rating | IP65 |
About this item
- Center-find technology to easily find the center of the stud
- Detection depth of 3/4 in. for wood and metal
- AC and live wire detection for added safety
- Constant auto-calibration to save time during use
- Center marking channel for added convenience
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Product information
Technical Details
Additional Information
ASIN | B07GLCS7YY |
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Customer Reviews |
4.2 out of 5 stars |
鶹 Rank |
|
Date First Available | Dec 14 2018 |
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From the manufacturer

Why Dewalt
See why millions of professionals choose DEWALT. From our rich history and proven performance to our focus on innovation and technology. From 1922 to present day DEWALT continues to design and optimize professional jobsite solutions - tools, accessories - to ensure absolute confidence for the toughest conditions.
Product description
Eliminate the guesswork with this center detect Stud Finder that has a detection depth of 3/4 in. for wood and metal. While traditional stud finders locate the edge of the stud, this one locates the center for a more efficient read. The finder is constantly calibrating to save time during use. Once the stud is located, an audible alert and directional LED arrows clearly notify the user. You can easily mark the center of the stud with the center marking channel.
Top Brand: DEWALT
Important information
Safety Information
May Result In Electric Shock
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Customer reviews
Customers say
Customers like the functionality, ease of use, and quality of the metal detector. They mention it works well for the price, is straightforward to read, and is solidly made. Customers also appreciate the practicality, lightweight design, and appreciate the sensor to find the center of the stud. However, some customers have issues with beeping and differ on the accuracy.
AI Generated from the text of customer reviews
Customers like the functionality of the metal detector. They mention it works well for the price and does what it supposed to do.
"...button, but once you slowly start sweeping the wall, it will work effectively at showing you where wood studs are located...." Read more
"Great product" Read more
"Good Dewalt quality. Works well." Read more
"Excellent product, works well. Ordered this to find live wires as well to avoid accidents." Read more
Customers like the ease of use of the metal detector. They mention it's pretty much plug-and-play and the simplist, most accurate studfinder they've tried. Customers also say it's helpful.
"...Its use is simplified, its indications are clear and it’s reasonably accurate...." Read more
"Works well! Pretty straightforward to use" Read more
"Great quality, easy to use." Read more
"This is a pretty easy product to use, mostly accurate, only issue you might run into is putting the battery in might be a chore, but once it is in,..." Read more
Customers like the quality of the metal detector. They mention it's solidly made, reliable, and the best studfinder they've tried.
"...I have several DeWalt power tools and they all work fine and are all solidly made...." Read more
"Good Dewalt quality. Works well." Read more
"Excellent product, works well. Ordered this to find live wires as well to avoid accidents." Read more
"Used today looks kind of cheap but it works" Read more
Customers like the effectiveness of the metal detector. They mention it beeps when they reach a stud, is reliable as a kids toy, and provides easy detection of metal, wood, and live wires behind the wall.
"Overall, this is an effective stud finder that beeps when you reach a stud on the wall...." Read more
"This stud finder does the job...." Read more
"...Bought this to mount a TV on the wall. Provides easy detection of metal, wood and live wires behind the wall...." Read more
"...Has sensor to find the center of the stud and electrical wire. Comes with batteries. Worth it" Read more
Customers like the practicality of the metal detector. They mention it's a great little tool to keep in their toolbox.
"For the price this is a great add to your tools" Read more
"Very easy to read and use. An excellent tool." Read more
"Best tools" Read more
"Handy tool..." Read more
Customers like the lightweight design of the metal detector. They mention it's slimmer than most and fits well in their tools.
"...Its light slim and super accurate, I hit the center of every stud I was trying to drill and screw into." Read more
"Very light weight and cheap." Read more
"It is what would be expected..... it is slimmer than most and fits well in my tool pouch...." Read more
"...This stud finder is very lightweight, and does the job perfectly. Has sensor to find the center of the stud and electrical wire...." Read more
Customers have mixed opinions about the accuracy of the metal detector. Some mention it's very accurate and easy to use. However, others say it's unreliable for finding studs or live wires. Some say it misses the wood studs at times.
"...Does miss the wood studs at times." Read more
"...Its use is simplified, its indications are clear and it’s reasonably accurate...." Read more
"In my opinion, it is not very accurate." Read more
"Not accurate." Read more
Customers are dissatisfied with the beeping of the metal detector. They mention it would beep at random locations then not beep there again. Some say it alarms a point at the first try, but doesn't do the job very well.
"...sensitive to electrical when it’s several inches away therefore excessive beeping. Does miss the wood studs at times." Read more
"it couldn’t do the job very well, it alarms a point at first try at the second one it didn’t show alarm, I think it was not useful." Read more
"Does not work. Finder would beep at random locations then not beep there again...." Read more
Top reviews from Canada
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- Reviewed in Canada on June 5, 2025Verified PurchaseI picked this because of the DeWalt name. I have several DeWalt power tools and they all work fine and are all solidly made. This stud finder is like that too, and I also like it because it’s minimalist. Its use is simplified, its indications are clear and it’s reasonably accurate. The instructions are minimalist, too, which is maybe not so impressive. A message on the card advises the user to “read all instructions inside the card,” but the inside card has nothing to read. Just diagrams, in the Ikea style, without any writing. The only company that ever successfully pulled off Ikea-style iconic instructions is Ikea. This comes close but you’ll want to check the full instruction sheet PDF, which is easily found online although the card doesn’t mention it. The tool has an important warning indicator to show you when you’re holding it over a live AC wire in the wall. (Pro tip: Don’t drill there.) It's also useful to realize that this probes for capacitance, which can be a bit iffy, and the wall studs are edge-on to you, meaning you have to drill to hit a target maybe 1.5 inches wide. So I like to use some of those viciously powerful magnets to feel for the nails that are in the studs too, just to corroborate what the stud finder is telling me. One more thing I liked about this: It’s made in Vietnam, and I’m an ABC shopper whenever possible. So I’m calling this thing good value.
- Reviewed in Canada on October 12, 2024Verified PurchaseOverall, this is an effective stud finder that beeps when you reach a stud on the wall. The machine beeps a few times when you turn it on by holding the center button, but once you slowly start sweeping the wall, it will work effectively at showing you where wood studs are located. You will need to use the machine to check a few times (going left to right and then right to left), as sometimes the identified location of the stud is inconsistent by an inch or so, depending on the speed and direction of your measurements.
- Reviewed in Canada on June 13, 2025Verified PurchaseGreat product
- Reviewed in Canada on May 24, 2025Verified PurchaseI find that this was not as accurate as it seems
- Reviewed in Canada on March 26, 2025Verified PurchaseGood Dewalt quality. Works well.
- Reviewed in Canada on February 5, 2025Verified PurchaseI have purchased stud finders before and been disappointed with their accuracy and glitchy performance but am really pleased with this Dewalt model. Its light slim and super accurate, I hit the center of every stud I was trying to drill and screw into.
- Reviewed in Canada on February 4, 2025Verified PurchaseExcellent product, works well. Ordered this to find live wires as well to avoid accidents.
- Reviewed in Canada on March 12, 2025Verified Purchaseworks okay
Top reviews from other countries
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FERNANDO A.Reviewed in Brazil on November 26, 2024
5.0 out of 5 stars Útil para sondar elementos dentro da parede.
Verified PurchaseBom custo benefício para uso doméstico.