What is the difference between the model sh301 and the model sh401?

I am not sure. Apart from the cost they both do the same function. Sorry if it's not much of a help to you.

How do i differentiate between the different modes of wood? the instrument has four modes a,b,c,d.

You can find the "User Guide (PDF)" under "Product guides and documents" on the product page. The manual shows the measurement patterns for wood according to its hardness, so you can refer to it to set your measurement pattern.

Does this come with a protective bag?

Yes, it comes with an EVA bag that is waterproof, dustproof and drop-proof, perfect for protecting your instrument. Inside the bag there is a mesh pocket for small parts and a protective pouch with a hand strap for easy carrying.

Why does the reading go to zero?

The gauge's measuring needle needs to be in full contact with the wood to get a consistent and accurate reading, and you can insert the needle as far into the wood as possible while you are measuring. The manufacturer's recommendation is to insert it 1/8" deep into the wood.

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Stud Finder Wall Scanner, 2023 Upgrade 9 in 1 Stud Detector Wire Detector for Wall, Dienmern Cable Detector for Walls Scanner, with Battery LCD Display for Stud AC Wire Cable Metal Wood Pipe Joist

Stud Finder Wall Scanner, 2023 Upgrade 9 in 1 Stud Detector Wire Detector for Wall, Dienmern Cable Detector for Walls Scanner, with Battery LCD Display for Stud AC Wire Cable Metal Wood Pipe Joist

Product ID: 535416006

⚡Live wire detection alert

🎯High precision sensor tech

📊5 scanning modes up to 60mm

$3.00

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Description

🔍 Upgrade your wall game—never drill blind again!

MULTI MODE SCANNING MASTERY - Five specialized modes let you detect wood, metal, AC cables, and more up to 60mm deep.
READY TO WORK OUT OF THE BOX - Includes 9V lithium battery and auto-calibration for hassle-free, professional-grade use.
SAFETY FIRST WITH WIRE ALERTS - Instant live wire warnings protect you from accidental drilling disasters.
PINPOINT ACCURACY FOR EVERY PROJECT - Advanced 2023 sensor tech ensures you never miss a stud, wire, or pipe behind walls.
INTUITIVE LCD DISPLAY AUDIBLE FEEDBACK - Clear graphics and beeping intensity guide you precisely to your target every time.

The Dienmern 2023 Upgrade Stud Finder is a professional-grade 9-in-1 wall scanner featuring advanced sensor technology, five scanning modes for wood, metal, pipes, and live AC wires, with a clear LCD display and audible alerts. Lightweight and battery-powered, it ensures precise, safe detection up to 60mm deep, perfect for pros and DIYers aiming for flawless wall projects.

Specifications

Manufacturer	Dienmern
Part Number	SH301
Product Dimensions	18 x 8 x 3.5 cm; 280 g
Batteries	1 9V batteries required. (included)
Item model number	SH301
Colour	Sh301
Power Source	Battery Powered
Included Components	Stud Finder
Batteries included?	Yes
Batteries Required?	Yes
Battery Cell Type	Lithium
Item Weight	280 g

Reviews

V**V

It's easy to use READ INSTRUCTIONS.

It's easy to use as long as you read the instructions and follow them, also accurate

10.01.2024

A**E

Good simple Tool

It did what was advertised very well. Good useful tool.

12.10.2023

P**E

Wire finder

Done the job... thank you!

13.02.2024

A**N

Spend more

Doesn’t pick up studs very easy it’s ok if you have plenty of time but wish i had spent more money

13.10.2023

P**X

Brilliant product

Was in 2 minds if this would work...It's super easy and saved me a fortune already this week. Great all round product and gift !!

1.12.2023

A**R

Useless! THIS DOES NOT WORK!!!!

Completely useless product. Gives you a different reading every time. Kind of of defeats the object of the product. Waste of money!

3.12.2023

L**

Don’t risk the accuracy

Was very hit and miss in finding a stud and no consistency in its findings

4.12.2023

C**F

Is it me or the machine

I bought this one because my other tester was outdated I’ve struggled to find electronic cables & ceiling joists ( I did find some but not all) I did my homework on how to use it via YouTube but couldn’t give it 10 out of 10 but not sure if it me or the machine 🤷‍♂️

21.09.2023

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$3.00

Duties & taxes included

In stock

Sold byAmazon British Virgin IslandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to British Virgin Islands.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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