it states 120 decibals but the unit shows 3 settings l m h. are there 3 different decibals?

It only has 3 different decibel “Low, Medium and High” and I find it to be very loud.

Does this work on Carpet?

I would think it works better on carpet because my floor has tile and when the doors opens the stopper alarm goes off and loud even when it's set to low volume. It the stopper is put under the door snug enough then there is no way you want hear the alarm when the door is open.

As soon as i turn it on it start beeping, no directions how does it work?

Be sure to no hold or press the silver part of it, as this is where the alarm sensor is located. If by any reason it starts beeping, try turning it off again and if this doesn’t work, it’s possible that it might be defected. Turn it off and try removing the battery and insert it again while it’s still off and before turning it back on, be sure not to make any contact with the silver part. I hope this helps.

Will this work on hotel doors?

Any door that opens in it will work on. Scares away intruder with screaching siren. 9v battery. With a foot behind it u may be able to fend off home invasion type situation or domestic long enough for help to arrive. Other devices of course is available. These are VG and I highly recommend!!

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FEENM Upgraded Door Stop Alarm -Great for Traveling Security Door Stopper Doorstop Safety Tools for Home Set

FEENM Upgraded Door Stop Alarm -Great for Traveling Security Door Stopper Doorstop Safety Tools for Home Set

Product ID: 51243180

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Details

Brand
FEENM
Mounting type
Floor Mount
Material
Plastic
Colour
Black & Steel
Style
Portable
Finish type
Metallic

🔊120dB piercing alarm

⚙️3 adjustable sensitivity levels

🛠️No installation, portable design

Description

🚪🔒 Stop threats before they start with FEENM’s ultimate door alarm!

EFFORTLESS SETUP - No tools or installation needed—just place and activate
DUAL FUNCTIONALITY - Acts as a sturdy doorstop when alarm is off, blending security with convenience
TAILORED SENSITIVITY - Choose from low, medium, or high sensitivity to suit any environment
UNMATCHED SECURITY ALERT - 120dB shrill alarm that instantly deters intruders
TRAVEL READY PEACE OF MIND - Compact, lightweight, and portable for protection wherever you go

The FEENM Upgraded Door Stop Alarm is a portable, no-installation security device featuring a powerful 120dB alarm with three adjustable sensitivity levels. Designed to double as a durable doorstop, it offers versatile protection for home, travel, or work environments. Compact and easy to use, it requires a 9V battery (not included) and fits door gaps from 1 to 3.5 cm, providing instant peace of mind against unauthorized entry.

Specifications

Manufacturer	FEENM
Part Number	DoorAlarm-3-UK
Product Dimensions	3 x 2 x 2 cm; 340 g
Item model number	Door Stop
Colour	Black & Stainless Steel
Style	Portable
Finish	Metallic
Material	Plastic
Item Package Quantity	1
Number of Pieces	3
Plug profile	Floor Mount
Batteries included?	No
Batteries Required?	No
Item Weight	340 g

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