I am looking for an alarm that shrieks when the door is opened and stops when the door is shut. Is this it? Or is there such an alarm?

Yes, this is the alarm you are looking for.

Can you set it for a certain amount of time before the alarm goes off? (IE the alarm goes off after doors been open 30 min)

No. It is simply a small device that has on/off switch. Works great and is very loud.

I will be traveling with my husband who has early onset Alzheimer’s. Would this be good to use for the hotel? Does it leave a mark when removing?

They work good. Ive used them when traveling. They dont leave hardly a y noticible residue. If they do. A warm wet cloth will wipe it right up. Have to get some type of extra velcro or double sided tape. Becareful what type you buy as an alternate ahdesive or tape may leave more residue

Can this be operated remotely ?

No. It has to be turned off manually, or it will turn off when the battery goes down.I had to manually turn it off. You have to be home to turn this item off. I returned this item because it can do damage to your ear drums. I will say I was given no problem with returning the item. I ordered the Bunker Hill Wireless system, and it works for me.

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120 DB Loud Door and Window Open Alarm Sensor 3 Pack for Kids, Dementia Patients Safety, Burglar Anti-Theft Wireless Security Alarms Keep Your Home, Pool, Cabinet, Business Safe

Product ID: 277011789

Details

Brand
Flyoukki
Colour
White
Compatible devices
Home Security
Power source
Battery
Product dimensions
38L x 9W x 74H

📶750 ft wireless range

🔊120 dB piercing alarm

🔋6-12 months battery life

16768 Ft

Duties & taxes included

In stock

Sold byAmazon HungaryDelivered 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 Hungary.

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Description

🚨 Stay one step ahead—protect your space with a 120 dB warning roar!

SLEEK DISCREET - Ultra-slim design fits seamlessly on doors, windows, cabinets, or offices.
LONG LASTING POWER - Batteries last up to a year with low-battery alerts—security without the hassle.
UNMATCHED LOUDNESS - 120 dB alarm audible over 750 feet—stop intruders in their tracks!
COMPLETE SAFETY KIT - Includes 3 alarms, anti-noise earplugs, and user manual for instant peace of mind.
EFFORTLESS WIRELESS SETUP - No wiring needed; install anywhere with included adhesive tape in minutes.

The Flyoukki 120 dB Loud Door and Window Open Alarm Sensor 3-Pack delivers powerful wireless security with an ultra-loud alarm audible up to 750 feet. Designed for easy, no-wiring installation using included adhesive tape, each sensor runs on 3 LR44 batteries lasting 6-12 months with low battery indicators. Its sleek, compact form factor fits discreetly on doors, windows, cabinets, or business entrances, making it ideal for protecting children, dementia patients, or preventing burglaries. The package includes 3 alarms, anti-noise earplugs, and a user manual, offering a comprehensive, low-maintenance security solution.

Specifications

ASIN	B07RR7D2VK
ASIN	B07RR7D2VK
Audible Noise	120 Decibels
Batteries	3 Nonstandard Battery batteries required.
Battery Description	Alkaline
Best Sellers Rank	#12,664 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #11 in Home Security Door & Window Sensors
Brand	Flyoukki
Color	White
Compatible Devices	Home Security System
Control Method	Touch
Customer Reviews	4.3 4.3 out of 5 stars (3,149)
Customer reviews	4.3 4.3 out of 5 stars (3,149)
Date First Available	19 June 2019
Item Dimensions L x W x H	38L x 9W x 74H millimeters
Item model number	MSA-820
Manufacturer	Flyoukki
Manufacturer	Flyoukki
Maximum Range	750 Feet
Mfr Part Number	MSA-820
Model Name	MSA-820
Model Number	MSA-820
Mounting Type	Door Mount
Number of Batteries	3 Nonstandard Battery batteries required.
Number of Items	3
Power Source	Battery Powered
Product Dimensions	3.81 x 0.94 x 7.37 cm; 100 g
Sensor Technology	Contact Sensor
UPC	619317730816 061931773081

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Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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16768 Ft

Duties & taxes included

In stock

Sold byAmazon HungaryDelivered 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 Hungary.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Reema J.

Perfect platform for hard-to-find items. Delivery was prompt.

1 month ago

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

View all Trustpilot reviews