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: 141496756

Details

Brand
Flyoukki
Color
White
Compatible Devices
Home Security
Power Source
Battery
Product Dimensions
1.5"L x 0.37"W

📏Ultra-slim 2.9x1.5x0.37 in

🔊120 dB piercing alarm

🔋6-12 months battery life

26852CFA

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚨 Stay one step ahead—because safety should never be silent!

COMPLETE SAFETY KIT - Three alarms plus anti-noise earplugs for safe setup, ensuring your home, office, or pool area stays protected with zero compromise.
SLEEK DISCREET DESIGN - Ultra-slim and minimalist, these alarms blend seamlessly into any door or window frame without cramping your style or space.
UNMISSABLE 120 D B ALERT - Instantly deters intruders with a piercing alarm audible up to 750 feet—because your peace of mind deserves no compromise.
EFFORTLESS INSTALLATION ANYWHERE - Stick and secure with included double-sided tape—perfect for doors, windows, cabinets, and more. No tools, no stress.
WIRELESS FREEDOM LONG LASTING POWER - No wiring hassles; each sensor runs on included LR44 batteries lasting up to a year, with a smart low-battery indicator to keep you ahead.

The Flyoukki 120 dB Loud Door and Window Open Alarm Sensor 3-Pack offers a powerful, wireless security solution designed for homes and businesses. Each ultra-slim sensor emits a piercing 120-decibel alarm audible up to 750 feet, powered by long-lasting LR44 batteries with low-battery alerts. Easy to install with included double-sided tape and equipped with anti-noise earplugs, these alarms provide discreet, reliable protection for doors, windows, cabinets, and more—ideal for safeguarding children, dementia patients, pools, and valuables.

Specifications

ASIN	B07RR7D2VK
Audible Noise	120 db
Battery Description	Alkaline
Best Sellers Rank	#52,096 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #685 in Home Security & Surveillance Systems
Brand	Flyoukki
Color	White
Compatible Devices	Home Security System
Control Method	App, Touch
Customer Reviews	4.3 4.3 out of 5 stars (3,312)
Item Dimensions L x W x H	1.5"L x 0.37"W x 2.9"H
Manufacturer	Flyoukki
Maximum Range	750 feet
Mfr Part Number	MSA-820
Model Number	MSA-820
Mounting Type	Door Mount
Number of Batteries	3 Nonstandard Battery batteries required.
Number of Items	3
Number of Packs	3
Power Source	Battery Powered
Sensor Technology	Contact Sensor
Size	2.91.50.37 inches
UPC	619317730816 061931773081
Unit Count	3 Count

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26852CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered 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 Senegal.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Received my product in pristine condition. Great service overall.

1 month ago

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Excellent communication throughout the order process. Product is perfect.

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