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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🚨 Stay one step ahead with the loudest, sleekest security alarm on the block!

COMPLETE SAFETY KIT - 3 alarms, anti-noise earplugs, and user manual—everything you need to safeguard your home or office.
INSTANT INTRUDER ALERT - 120 dB piercing alarm audible up to 750 feet—stop unwanted entry before it happens.
WIRELESS HASSLE FREE - No wiring needed; includes long-lasting LR44 batteries with low-battery indicator for zero downtime.
EFFORTLESS INSTALLATION - Peel, stick, and protect—adhesive tape included for quick setup anywhere with an 8mm gap or less.
SLEEK MINIMALIST DESIGN - Ultra-slim sensors fit discreetly on doors, windows, or cabinets—security that blends with your style.

This 3-pack wireless door and window alarm system delivers a powerful 120 dB alert audible up to 750 feet, perfect for protecting kids, dementia patients, or securing your business. Featuring ultra-slim sensors with easy adhesive installation and long-lasting LR44 batteries (6-12 months), it offers reliable, low-maintenance security with a discreet design. Includes anti-noise earplugs and a user manual for a complete safety solution.

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Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

£38.35

Duties & taxes incl.

Jerseystore

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Yusuf A.

Fantastic experience overall. Will recommend to friends and family.

1 month ago

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Battery Description	Alkaline
Voltage	1.5 Volts (DC)
Control Method	Touch
Noise Level	1.2E+2 dB
Mounting Type	Door Mount
Maximum Range	750 Feet
Sensor Technology	Contact Sensor
UPC	619317730816 061931773081
Manufacturer	Flyoukki
Item model number	MSA-820
Product Dimensions	3.81 x 0.94 x 7.37 cm; 100 g
ASIN	B07RR7D2VK

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

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