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Internet #306154609

Model #DW0100

Store SKU #1004029013

  • Stud finder has depth detection up to 3/4 in. for wood and metal
  • Audible alert and directional LED arrows for guidance
  • Marks center of stud with marking channel
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Product Overview

Eliminate the guesswork with this new Center Sensor Stud Finder that has a detection depth of 3/4 in. for wood and metal. While traditional stud sensors locate the edge of the stud, this 1 locates the center for a more efficient read, even when held at an angle. The sensor 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.
  • 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
  • Slim profile for easy use and storage
  • Audible alert for clear notification of stud location
  • Directional LED arrows for visual guidance to stud location
  • 2 AAA batteries included

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Additional Resources

From the Manufacturer

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3/4 in. Stud Finder
StudSensor HD35 Stud FinderProSensor T9MultiScanner HD800 1 Step Multi-Function Wall Scanner
BrandDEWALTZirconFranklin SensorsZircon
Name3/4 in. Stud FinderStudSensor HD35 Stud FinderProSensor T9MultiScanner HD800 1 Step Multi-Function Wall Scanner
Battery Type RequiredAAA9-voltAAA9-volt
FeaturesNo Additional FeaturesElectronic,Hand-Held,No Additional FeaturesElectronic,Hand-Held,Straight EdgeElectronic,Hand-Held,No Additional Features
Hand Tool TypeStud SensorStud SensorStud SensorStud Sensor
Product Depth (in.)5.8751.634.751.4
View ProductView ProductView ProductView Product



Product Depth (in.)5.875Product Height (in.)9
Product Width (in.)1.3


Audio alertYesBatteries IncludedYes
Battery Type RequiredAAADetects metalYes
Detects voltageYesDigital DisplayNo
FeaturesNo Additional FeaturesHand Tool TypeStud Sensor
Laser level includedNoMaximum wall thickness (in.).75
Number of Batteries Required2ReconditionedNo
Returnable90-DayTools Product TypeHand Tool

Warranty / Certifications

Manufacturer Warranty3 Year Limited Warranty1 Year Free Service Contract90 Day Money Back Guarantee

Questions & Answers

Typical questions asked about products:

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  • What are the dimensions of the product?

Customer Reviews

  • 3.5
    out of 357 reviews
  • 66%recommend this product
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Showing 1-10 of 357 reviews
This stud finder works very well...
This stud finder works very well
  • Verified Purchase
This stud finder did the job. We were removing wallpaper on a dining area wall and putting up st...
This stud finder did the job. We were removing wallpaper on a dining area wall and putting up stained pine boards. Needed to insure that the nails hit the studs and this made quick work of this part of the project.
  • Verified Purchase
  • Recommended
1 found this review helpful
Thin, light and easy to use – with lots of lights and beeps to help or confuse you. The 3/4” thi...
Thin, light and easy to use – with lots of lights and beeps to help or confuse you. The 3/4” thick plastic unit fits comfortably in the hand so the trigger is perfectly located for the index finger to press. The cover easy removes without tools to install the two AAA batteries (included, though not name-brand.). Works very well, with just a few false alarms while accurately finding the center of studs even on walls with polyurethane foam insulation. The one complaint I have is with the instructions: there is no text, only “universal” cartoons that are challenging to decode. There are 5 LED lights in total. One green LED shows power when the trigger is depressed. Two yellow, arrow-shaped LEDs show when you are near an edge of the stud (left or right) and which direction to move to find the center of the stud. When centered, a RED LED lights up. There is another RED LED that lights up when the unit detects a wire carrying AC voltage, along with a continuous beeping sound to signal the danger, a very handy safety feature. Unfortunately I found that to be fairly unreliable for pinpointing any wires, since it would signal when anywhere within 6-10 inches of the wire – and sometimes when nowhere near the wire. Still, Id rather a false alert than no alert in the presence of the wires. As a stud finder I found it very accurate, and the “mechanical” design of the unit is excellent. It includes a hole for marking the center of the stud inside a channel 1.5” wide, the typical thickness of a stud. All-in-all a well-designed, reliable stud finder at a competitive price.
  • Recommended
20 found this review helpful
Easy to use, finds stud centers quickly, with added safety of electrical wire detection. If you...
Easy to use, finds stud centers quickly, with added safety of electrical wire detection. If you’ve been suffering with a simple magnetic stud finder, or even an older electronic model, you owe it to yourself to try DEWALT’s 3/4 in. Stud Finder (Model # DW0100). Hold it flat to the wall, press the center button, and begin sliding. The black pad on the back (see pic) slides smoothly and did not mar the paint. The LEDs and audible alerts tell you when you’ve found something. See pics: - Green LED - Power is on - Yellow LEDs, Left and right - directional arrows indicating that you’re near something - Red center LED - Found the center of the stud! - Red LED on the right - Found an electrical wire I really like the security of the electrical detection - I was surprised how many wires I found in some places. This makes the device useful even when when installing hollow wall anchors to ensure there are no wires where you’re about to drill. It will handle depths up to ¾”, which should be sufficient for most modern drywall, but for just a couple dollars more DEWALT offers the model DW0150 with a 1.5” depth capability. That will handle thicker walls (old homes, lathe and plaster, panel-covered drywall, etc) Other nice touches: - 2 AAA batteries are included - It’s easy to install and replace the batteries without tools - just pry open the clip at the bottom - Can’t accidentally leave it on and wear out the battery - it’s only active when the button is pressed The only minor nit to pick is that the audible alert is an annoying, screechy sound. But you certainly won’t miss it! And you’ll stop as soon as you hear it, so you don’t have to listen to it very long. Highly recommended despite that.
  • Recommended
14 found this review helpful
Great stud finder
[This review was collected as part of a promotion.] Has a hole in the center to mark the stud with ur pencil. Uses AAA. The AC detector is convenient.
    • Recommended
    Okay detector, not quite perfect though.
    [This review was collected as part of a promotion.] The good: - Detection mechanism works well, finds studs every time without having to recalibrate. - Left/Right indicators with a separate center indicator is awesome, makes pinpointing the middle easy - Audible alarm if you can't see the lights for center. - Marking hole to keep pencil on target. - Batteries included and AAA's instead of the usual 9V which are easier/cheaper to replace. - Feels decently durable, could probably take a few tumbles without issue. The bad: - Not very ergonomic, awkward hand position with the button in the center and how thin it is, can't maintain a comfortable grip. Would prefer it a bit thicker with a side button. - The AC detection never once went off even going over known wire locations with load on those wires, not sure what's wrong with it. - Rear slider is a hard plastic, will probably last longer but there's some risk of scratching up painted walls and it's rough to slide. - Battery compartment is the entire front of the unit, feels a bit exposed/fragile when opening it. - Plastic packaging is annoying to open. - Instructions leave a lot to be desired (illustrated but no words), although it's a fairly simple device. Overall: Given it's purpose is detecting studs, it does that job quite well. However the overall product slightly misses the mark.
      Size Matters!!
      [This review was collected as part of a promotion.] What I really like about this Stud Finder... SIZE. It simply fits your hand. Yeah, it’s just a stud finder but this finder places U in the middle of the stud not outer side of studs for U to determine the center. There is a very nice audible as well as arrows to indicate which direction to center. There is a different audible when electrical is near. Also, there is a circle provided to allow U to mark your center location. It’s a great tool.
        • Recommended
        Great features
        [This review was collected as part of a promotion.] Revived this stud find about a week ago. I Was super impressed about how slim it was. I used it to hang my tv on the wall. It was nice and compact to slide in your back pocket while using my Dewalt drill. I like how they put light up arrows on each side pointing you in the direction of the stud. I had no worries about hitting a electric line because of the electric notification built in. It was a nice change how Dewalt put the button in the middle of the stud finder instead of the side, it seams to point you in the stud direction better. Extremely pleased and would highly recommend! Once again Dewalt thought of everything!!!
          • Recommended
          WORKS GREAT
          This tool works great! It made the job so much faster and easier! You won't be disappointed!
            • Recommended
            It is very accurate. Glad I bought this....
            It is very accurate. Glad I bought this.
            • Verified Purchase
            Showing 1-10 of 357 reviews