Can you use it when you’re not home? Not sure how to turn it off before entering

They are not what I would call a door stop when you are out as you won't be able to get in. You could leave them a little way away so when door opens you can get in stop alarm It stops door dead. I use them when I want to have door open on jar so dog can get in and out of someone pushes door ito open it , it will stop and alarm will go of.

Can you wedge this inside a gate as there is too big a gap in the bottom?

These are really suited for internal doors or inside external doors when you are at home i.e. when in bed. If you try to wedge the unit in a gate the alarm will activate as soon as unit is squeezed.

Can it be placed outside the door to detect someone opening the door from inside ?

Definitely, if your door opens outwards, then it will work as long as no one has nicked it from outside

My door has the rubber gasket worn, so it doesn't hold the door so tight. Could a wind that could slightly move the door trigger the alarm?

Usually slightly move of door will not trigger alarm. In addition, there is 3 level of sensitivities, you can set it to low sensitivity if you think it is too sensitive.

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Mengshen 3-Pack Safety Wedge Door Stop Alarm Stopper Blocking Travel Home Security Alert 120db (Pack of 3) MS-M68

Mengshen 3-Pack Safety Wedge Door Stop Alarm Stopper Blocking Travel Home Security Alert 120db (Pack of 3) MS-M68

Product ID: 120536241

Details

Brand
Mengshen
Colour
Black&silver
Finish type
Polished
Manufacturer
Mengshen
Material
Acrylonitrile
Mounting type
Floor Mount

👜Portable & no installation

🔊120dB ultra-loud alarm

🎚️3 adjustable sensitivity levels

C$3503

Duties & taxes included

In stock

Sold byAmazon NicaraguaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚪🔒 Stop threats before they start with Mengshen’s power-packed door alarm!

COMPACT TRAVEL READY - Lightweight and portable, your personal security guard wherever you work or roam.
INSTANT 120 D B ALARM BLAST - Deters intruders with an ear-piercing alert that demands attention.
NO TOOLS NO HASSLE SETUP - Ready to protect right out of the box—just insert a 9V battery and go.
DUAL FUNCTION DOORSTOP ALARM - Works as a sturdy wedge even when the alarm is off—security without compromise.
CUSTOMIZABLE SENSITIVITY CONTROL - Choose low, medium, or high sensitivity to match your security needs perfectly.

The Mengshen 3-Pack Safety Wedge Door Stop Alarm offers a powerful 120-decibel alarm with three adjustable sensitivity levels, combining a practical doorstop with a high-decibel security alert. Portable and installation-free, it’s perfect for travelers and professionals seeking quick, reliable protection at home or on the go.

Specifications

ASIN	B00QIEVVKU
Best Sellers Rank	15,071 in DIY & Tools ( See Top 100 in DIY & Tools ) 185 in Door Stops 1,163 in Home Security Systems
Brand	Mengshen
Colour	Black&silver
Country of Origin	China
Customer Reviews	4.4 out of 5 stars 2,231 Reviews
Finish	Polished
Item Dimensions L x W x Thickness	14L x 4.5W x 3.8Th centimetres
Item Weight	97 Grams
Manufacturer	Mengshen
Material	Acrylonitrile Butadiene Styrene
Model Number	4331033335
Mount Type	Floor Mount
Mounting type	Floor Mount
Number of Pieces	3
Part Number	MS-M68
Product Style	Portable,Wedge
Product dimensions	14L x 4.5W x 3.8Th centimetres
Style	Portable,Wedge
UPC	708191214786
Unit Count	3.0 count

Reviews

A**N

Very loud

Very loud and triggers very well after opening a door.

9.07.2026

V**A

Useful and easy to use

This is effective and very loud. Can also use it without alarm as a barrier to entering. Very easy to carry with you when travelling etc.

10.11.2025

L**H

Excellent product......

Very effective - easy to use - would recommend !!

19.09.2025

S**T

Good Alarm 🚨

Works extremely well very loud and good value for your money

29.03.2026

D**E

It works well. Great security at night if you are alone in the house.

Great door stop and really loud alarm

28.12.2025

D**N

Very Compact, Very Loud

Bought these to alert us to take on holiday for alerting us if our SEN children were trying to make an escape from the holiday home: these things are LOUD, even on the lowest setting. Very good deterrent and after trying to escape once, the children didn’t do it again.

7.08.2025

M**A

Great item

Works well and is pretty loud very good product

29.12.2025

M**G

Misleading description

You need to be aware, you need to buy a P9 battery! Should have been supplied.

28.03.2026

J**E

Perfecto

Llego según lo anunciado, perfecto, biene sin pila, pero suena y funciona perfectamente

30.11.2025

L**E

It will

The alarm stoppers are cheap and reliable tool.

25.03.2026

J**J

Travel safety

Perfect for travel and staying safe

17.12.2025

K**S

Super loud alarms

These work really well. I’ll feel safer in hotels now.

20.05.2026

Z**I

Effective

It is effective. The alarm is loud.

2.12.2025

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C$3503

Duties & taxes included

In stock

Sold byAmazon NicaraguaDelivered 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 Nicaragua.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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2 days ago

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