Price: $33.99
(as of Jul 20, 2025 02:18:26 UTC – Details)
Product Description
METAK Door and Window Alarm When Opened 
This battery-powered door/window alarm features an ON/OFF switch and Set button for easy use. It emits a 120dB alarm when a door/window is opened, perfect for home, apartment, and business security. Also great for monitoring kids, elderly, and dementia, providing extra safety and peace of mind.
On/Off & Set Button
The Set button allows easy arming, disarming, and volume adjustment (90/120dB), while the On/Off switch offers one-click control for simple operation.
90/120dB Adjustable
Choose between 90dB and 120dB alarm options for a loud and clear audible alert, ensuring you’re promptly notified of any potential security breaches.
Powered by AAA Battery
Powered by 2 AAA batteries (not included), the alarm is completely wire-free, offering easy installation and flexibility without the hassle of wiring.
Low Battery Alert
This LED indicator flashes red when the alarm is triggered or when the battery is low, offering clear and immediate visual alerts for quick response.
Home Security
When an intruder opens the door, the sensor triggers an alarm to stop them from advancing.
Kids Safty
Prevents kids from opening doors to dangerous areas, such as pool or cabinet with hazardous items.
Dementia Monitor
Monitors elderly with dementia, alerting when they attempt to open doors to leave safe areas.
1 Home Security
2 Kids Safty
3 Dementia Monitor
The host and magnetic component can be installed on the same plane or at an angle.
Comes with strong 3M double-sided tape for easy installation, no additional tools needed.
Easy Installation
1 Flexible Mounting 2 Double-sided Tape
Does this product support remote control?
No, this product does not support remote control (for example, it does not support pairing with the RC5311 model remote control in this store), but this product has a Set Button that can be used to adjust the volume, change the mode, etc.
Does this alarm have UL certification? Can it pass a pool inspection?
No. While many families use this alarm for pool doors, it does not meet the UL 2017 standard and won’t pass a pool inspection.
How to install?
Ensure the gap between components is less than 0.39 inches, with arrows aligned facing each other.
Do these alarms require batteries?
Yes, these alarms require 2 AAA batteries to operate, which are not included in the packaging.
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Customer Reviews
4.7 out of 5 stars 47
4.7 out of 5 stars 47
4.7 out of 5 stars 47
4.7 out of 5 stars 47
Price
$33.99$33.99
$33.99$33.99
$18.99$18.99
$18.99$18.99
Quality
5
5
2
2
Color
White
Black
White
Black
Remote Control
✘
✘
✘
✘
Power Supply
2 AAA Batteries (not included)
2 AAA Batteries (not included)
2 AAA Batteries (not included)
2 AAA Batteries (not included)
Noise Level
120dB
120dB
120dB
120dB
Volume Control
✔
✔
✔
✔
Emits a powerful 120dB alarm when a door/window is opened, instantly alerting you to any unauthorized entry, perfect for home, apartment, and business security.
Ideal for keeping kids safe from dangerous areas (Such as pools, basements, cabinets containing dangerous goods, etc.) and monitoring elderly individuals with dementia, providing extra peace of mind.
On/Off & Set Button: The Set button allows for easy arming, disarming, and volume adjustment (90/120dB), while the On/Off switch provides one-click control for effortless operation.
Wire-Free: Powered by 2 AAA batteries (not included), this door open alarm is wire-free, offering quick installation and flexibility without the need for complicated wiring.
Low Battery Alert: The built-in LED indicator flashes red when the alarm is triggered or when the battery is low, ensuring immediate visual alerts for prompt action.
Note: This Door Alarm (Model: D130) does not support remote control (RC5311), but various settings can be completed through the Set Button on the host.
Customers say
Customers find the alarm system works well and is easy to install, with one mentioning it’s easier to use than a ring contact sensor. The sound quality receives positive feedback, with one customer noting the volume is adjustable. Customers appreciate the security features, with one highlighting its suitability for households with multiple entry points, and another mentioning it’s great for vacation use. Customers also value the peace of mind it provides and consider it good value for the price.
