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🔍 Find your studs like a pro—never miss a mark again!
The Franklin Sensors ProSensor M70 is a USA-made stud finder featuring 7 sensors for superior accuracy and a max detection depth of 1.5 inches. It offers instant, calibration-free scanning with LED indicators that display both stud edges and centers simultaneously. Powered by 2 AAA batteries, this durable tool is highly rated by professionals and consumers alike, making it the ultimate choice for precise wall scanning and stud detection.








| ASIN | B0B1GVTLN2 |
| Best Sellers Rank | #14,764 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #23 in Stud Finders & Scanners |
| Brand | Franklin Sensors |
| Brand Name | Franklin Sensors |
| Customer Reviews | 4.4 out of 5 stars 1,279 Reviews |
| Included Components | Range |
| Item Dimensions | 4.6 x 2.65 x 2 inches |
| Item Weight | 0.31 Pounds |
| Item dimensions L x W x H | 4.6 x 2.65 x 2 inches |
| Manufacturer | Franklin Sensors |
| Material | Plastic |
| Material Type | Plastic |
| Model | 317740628 |
| Part Number | FSM7002HD |
| Style | Compact |
| Style Name | Compact |
| UPC | 853435004620 |
| Unit Count | 1.0 Count |
N**N
Good stud finder
Simple and works great. Used to hang a baby monitor camera.
A**A
Great product
Needed a good stud sensor to install shower safety bars and towel racks and my old one was very outdated,based on a small magnet. This item is great. It will pick up whatever is behind the wall so I marked 5-10 sites each time to ensure location of the stud. Every install was in a stud so the product works! I like the center green light as well. However many builders use 2 studs side by side so it would be nice to have instructions on how to address this situation. I learned more from experience.
S**E
Great for hanging pictures
I’m no contractor, but I used this to help me hang pictures/decor in our new home & it worked well. No issues with accuracy showing the center of the stud. I found it very easy to use.
C**R
Bought as a replacement for older one... love it
Works great, doesn't mark up the wall and accurate. Easy to use and store, and well worth the price.
J**.
Great tool
Sensitive and works as described,
M**C
Super easy, accurate and a great value
This thing is super easy to use and very accurate. You may need to go over the area two or three times to get the best accuracy and center Green arrow, but I think that is more due to variation in the wall and materials. I used it to locate studs to mount heavy wall items (Wall TV units and other similar items) where mounting into the wood was essential to perform a solid and safe installation. My studs were not well centered, and this stud finder unit was vital to locate appropriate wall studs for installation. Made everything much easier quicker and safer. For the price of this unit, it is a very high value and very easy to use. Highly, highly recommend!
M**Y
Great product and cheap too
Fantastic little tool. Doesn’t just light up the stud it shows you EXACTLY where the center point is. Easy peasy and 5 stars for sure.
J**S
Franklin ProSensor M70
This is a very good sensor, accurate and leaves no doubt in your mind where the stud or the wire is. I was trying to push a 14/2 romex down a double wall, from my attic, and I couldn’t get the wire to pass through the double wall in my house. I feared there was a cross beam blocking the wire so I bought this Franklin Sensor and had Amazon overnight it. What I actually found was all the lights came on solid about 18 inches from the ceiling and stayed solid red for about 6 inches down and then went off. This condition existed across the entire 16”opening between the upright studs in the wall, then dropped off as I went further down the wall. It dawned on me that this mass must be my romex wire hanging up on a ledge in the double wall. I then took my flexible fish stick and fashioned a coat hanger hook to the end and pushed it up the wall, from my newly cut opening for my switch box, then twisted the fish stick around where the stud finder detected the mass in the wall and low and behold the hook grabbed the wire and I pulled it down the wall. I had previously pushed the stick up the wall several times and didn’t detect any cross studs and neither did my stud finder when I used it to the surface of the wall, however this was on the front side of the double wall. I never did find out what was holding up the wire, on the back side of this double wall, but this stud finder showed me exactly where the problem was. I have since used the Franklin Sensor a few times and ran it over known studs and it finds the wood, a 2x4 stud will set off 3 lights and the center light will go solid green over the center of the stud. I highly recommend this tool, it will definitely find wire and wood in your wall and I am reasonably certain it will also find pipes.
T**M
Indispensable pour repérer les rails derrière le placo
J’ai pris ce détecteur de rails de placo un peu par curiosité au départ, et au final je ne peux clairement plus m’en passer. Pour repérer les rails derrière le placo, c’est ultra pratique et ça évite de percer au hasard. Il est simple à utiliser, la détection est rapide et suffisamment précise pour savoir exactement où visser ou percer. Depuis que je l’ai, je gagne du temps et surtout j’évite les erreurs bêtes (mauvais trous, chevilles inutiles, etc.). Que ce soit pour fixer des meubles, des étagères ou faire des passages propres, ça change vraiment la vie. C’est le genre d’outil qu’on ne pense pas forcément à acheter, mais une fois qu’on l’a, on s’en sert tout le temps. Très bon produit, fiable et vraiment pratique au quotidien.
D**T
Funciona correctamente
Era muy escéptico, después de haber probado otras soluciones. Me sorprendió gratamente la capacidad de detectar objetos detras del pladur. Lo recomendaría. Aunque me parece bastante caro para lo que es.
G**K
Batteries Not Included
This is a capable stud finder and it does the job well once you get started. The multi-sensor layout gives a clear indication of where studs are, which is exactly what you want when working on walls. To be fair, they do state that rechargeable batteries are not suitable, so that part is on me. However, the fact that batteries are not included could be made clearer. It has a touch of that old sci-fi film warning about batteries not being included. The other irritation is the button. You have to keep it held down while using it, which makes it a bit awkward to handle. An on/off switch would have made it much easier to use and freed up your grip. These are small design niggles rather than faults. Overall, it works well, gives reliable results, and does what it is meant to do. Just be aware of the battery requirement and how it operates before you start.
M**S
Unreliable results
Works unsure… keeps flashing different over the same place, so i ended up pulling the fodder off to see the drywall screws and determine where the studs are. Disappointing…
M**I
Rilevatore
Funziona perfettamente . Lo uso per rilevare montanti del cartongesso
Trustpilot
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