Loud enough to end a break-in
A quiet window is an invitation. The moment the magnet separates, a 105 dB blast alerts you and scares off an intruder before they climb through, all from a 2.5-inch device.
Mini Window Alarm - 105 dB Magnetic Entry Alarm
A break-in attempt is a lot less appealing when it is met with a piercing 105-decibel blast.
$8.99
- 105 dB entry alarm
- Magnetic sensor
- Batteries included
- Deactivation key
- Just 2.5 inches
Ships to the lower 48. Orders process within 2 business days.
- Fast Shipping Ships within 2 business days
- 30-Day Returns Unused items in original packaging
- U.S.-Based Support Real people, quick answers
Description
Mini Window Alarm - 105 dB Magnetic Entry Alarm
At a Glance
- What it is: A compact 105 dB magnetic alarm that sounds the instant a protected window or door opens
- Tiny footprint: Just 2.5 inches, so it protects without drawing attention
- Batteries included: Ships ready to use with three LR44 button cells installed
- Deactivation key: Open a protected window yourself without setting off the alarm
A break-in attempt is a lot less appealing when it is met with a piercing 105-decibel blast. At only 2.5 inches long, the Mini Window Alarm tucks discreetly onto a window and sounds the moment its magnetic sensor separates, alerting you and scaring off an intruder before they get inside.
Key Features
- 105 dB alarm: A loud blast that alerts you and deters an intruder on the spot
- Magnetic sensor: Sounds the instant the protected window or door is opened
- Discreet size: At 2.5 inches it protects without being obvious
- Deactivation key: Insert the key to open a window yourself without triggering the alarm
- Batteries included: Comes with three LR44 button cells, ready to mount
- Versatile: Also guards gun and medicine cabinets, showcases, and cash registers
Before You Buy
The honest limits, so this arrives as the product you pictured.
- The two magnetic pieces must sit close together, aligned across the seam, on a flush-closing window or door. A large gap keeps it from arming or triggering.
- One unit protects one opening. A home with several windows needs several units.
- It mounts with adhesive tape, not screws, so apply it to a clean, smooth surface.
What's Included
- Mini Window Alarm
- 3 x LR44 batteries (installed)
- Deactivation key
- Mounting tape
Perfect For
- Windows and sliding glass doors
- Gun and medicine cabinets
- Renters and dorms that cannot drill
- Retail showcases and cash registers
Full Specifications▼
Alarm & Power
- Alarm: 105 dB
- Sensor: Two-piece magnetic contact
- Batteries: 3 x LR44 button cells (included)
Dimensions & Mounting
- Size: 2.5" x 1.5" x 0.5" (3" tall with key inserted)
- Deactivation: Removable key
- Mounting: Double-sided adhesive tape
Frequently Asked Questions▼
Q: Are batteries included?
A: Yes. It ships with three LR44 button cell batteries installed, so it is ready to mount and arm.
Q: How does the deactivation key work?
A: When you want to open a protected window yourself, insert the key to silence the alarm. Remove it to re-arm. The alarm sounds until the key is inserted or the window is closed.
Q: Where can I use it?
A: On windows and doors, and also on gun or medicine cabinets, showcases, and cash registers - anywhere a two-piece magnetic contact can sit flush.
Q: How fast will it ship and can I return it?
A: Orders ship to the 48 contiguous states and process within 2 business days. If it is not right, you have 30 days from delivery to return unused items in the original packaging.
Care & Use▼
- Wipe the housing with a dry cloth and keep the magnetic contacts clean.
- Replace the LR44 cells when the alarm weakens.
- Keep away from children and pets - button cell batteries are a serious ingestion hazard.
Why Choose Streetwise Security?▼
Streetwise Security has built alarms and personal-safety gear for decades, and this little sensor proves that protection does not have to be complicated or expensive. It installs in a minute and stands guard for a year on a set of button cells. At CurbGo we pick the security basics that genuinely work and price them so covering every window is affordable.
Shipping & Warranty
Backed by a one-year warranty. Every order is packed with care and tracked to your door. Ships fast from CurbGo with tracking.
Guarantees
Shipping to the 48 contiguous states, with orders processed within 2 business days. If it is not right, you have 30 days from delivery to return unused items in the original packaging. Questions before or after you buy go to CurbGo's U.S.-based support team.
Specs
| Alarm | 105 dB |
|---|---|
| Sensor | Two-piece magnetic contact |
| Batteries | 3 x LR44 button cells (included) |
| Size | 2.5" x 1.5" x 0.5" (3" tall with key inserted) |
| Deactivation | Removable key |
| Mounting | Double-sided adhesive tape |
Why the Mini Window Alarm earns its place
Ready to arm out of the box
Many alarms arrive dead with no batteries included. This ships with three LR44 cells installed, so you peel it on, close the window, and it is already standing guard.
Open your own window in peace
A window alarm you cannot bypass becomes a nuisance. The deactivation key lets you open a protected window without the blast, then re-arm it in a second when you leave.
By the numbers
The numbers on the alarm.
105 dB
Alarm output
2.5 in
Compact length
3x LR44
Batteries included
How it compares
Against a monitored contact
A monitored window sensor means equipment and monthly fees. This sounds a 105 dB blast entirely on its own, with no panel or subscription required.
Against a hardwired alarm
Hardwired sensors need an electrician and a permanent install. This peels on in a minute and moves with you, ideal for renters and dorms.
Against leaving a window bare
A quiet forced entry gives a burglar all the time they want. A sudden 105 dB alarm ends the quiet and sends most intruders running.
Are batteries included?
Yes. It ships with three LR44 button cell batteries installed, so it is ready to mount and arm.
How does the deactivation key work?
When you want to open a protected window yourself, insert the key to silence the alarm. Remove it to re-arm. The alarm sounds until the key is inserted or the window is closed.
Where can I use it?
On windows and doors, and also on gun or medicine cabinets, showcases, and cash registers - anywhere a two-piece magnetic contact can sit flush.
How fast will it ship and can I return it?
Orders ship to the 48 contiguous states and process within 2 business days. If it is not right, you have 30 days from delivery to return unused items in the original packaging.
Streetwise Security has built alarms and personal-safety gear for decades, and this little sensor proves that protection does not have to be complicated or expensive. It installs in a minute and stands guard for a year on a set of button cells. At CurbGo we pick the security basics that genuinely work and price them so covering every window is affordable.