Magnetic Door and Window Alarm 90dB 2-Pack — Peel-and-Stick Sensor, Instant Siren on Entry, On/Off Switch, Button Cell Batteries Included, White, 1-Year Warranty
$11.05
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Every entry point in your home is a potential vulnerability — and these magnetic door and window alarms turn each one into a defended position. The moment a protected door or window is opened, the magnetic sensor separates and triggers a 90dB siren that alerts you and deters intruders instantly.
- Magnetic sensor triggers 90dB alarm the instant a door or window is opened
- Peel-and-stick installation on doors, windows, and sliding glass panels
- Built-in on/off switch for easy arming and disarming by the homeowner
- Compact 2.5" x 1.75" x 0.75" design fits discreetly on any frame
- Two alarms included with button cell batteries and 1-year warranty
Every Door and Window — Defended
A door lock keeps people honest. An alarm keeps you informed. These magnetic alarms mount on any door or window frame and sound a 90dB siren the instant the entry point is opened. No wiring, no subscription, no complicated setup — peel, stick, switch on, and your home gains an active alert system.
Who This Door/Window Alarm Is For
Homeowners who want entry alerts without the cost of a monitored security system. Renters who need non-permanent, damage-free security they can take when they move. Parents who want to know immediately when exterior doors or windows open.
Small business owners protecting back doors and stock rooms. Anyone living alone who wants an early warning system that requires no technical expertise to install or operate.
Is This the Right Choice for You?
Choose the Magnetic Door/Window Alarm if you want:
- Instant 90dB alert when any protected entry point is opened
- Coverage for both doors and windows with one product type
- A simple on/off switch for everyday arming and disarming
Consider something else if you need:
- Glass break detection (glass break alarms respond to impact, not opening)
- A louder siren over 100dB for larger homes or commercial spaces
Simple Technology That Works Every Time
The two-piece magnetic sensor is straightforward — one piece mounts on the frame, the other on the door or window. When the two pieces separate, the alarm triggers instantly. The 90dB siren is loud enough to alert anyone in the home and make an intruder think twice about proceeding. The built-in on/off switch lets you disarm the alarm before opening a protected door or window yourself.
Installation takes seconds. Peel off the adhesive backing, attach the sensor to the frame, attach the magnet to the moving surface, and switch on the alarm. Works on standard doors, windows, casement windows, and sliding glass doors.
Quick Comparison: How Does a Magnetic Alarm Stack Up?
| Feature | Magnetic Door/Window Alarm | Glass Break Alarm | Motion Sensor | Security Camera |
|---|---|---|---|---|
| Detection Type | Door/window opening ✔ | Glass vibration | Movement | Visual recording |
| Alert Volume | 90dB | 100dB ✔ | Varies | Silent/notification |
| Covers Doors | Yes ✔ | No | Indirectly | Visual only |
| Installation | Peel-and-stick ✔ | Peel-and-stick ✔ | Mounting | Mounting + wiring |
| User Control | On/off switch ✔ | On/off switch | App-based | App-based |
| Best For | Doors and windows | Glass surfaces | Interior rooms | Surveillance |
Practical Details
Dimensions: 2.5″ x 1.75″ x 0.75″. Weight: 0.2 lbs per unit. Color: white. Powered by three 1.5V LR44/AG13 button cell batteries (included). Built-in on/off switch. Adhesive mounting — no tools required. Two alarms per package. 1-year warranty. Manufactured by Safety Technology.
Secure every entry point in your home starting today — add the Magnetic Door/Window Alarm 2-Pack to your perimeter defense.
Frequently Asked Questions
Does the alarm work on sliding glass doors?
Yes. Mount one piece of the magnetic sensor on the sliding panel and the other on the fixed frame. When the door slides open, the magnets separate and the 90dB alarm activates immediately. This makes it an effective option for patio and balcony doors.
Can I turn the alarm off when I want to open the door myself?
Absolutely. The built-in on/off switch lets you disarm the alarm before opening a protected door or window. Switch it off, use the entry point normally, then switch it back on when you want protection active again. No codes or apps needed.
How far apart can the two sensor pieces be before the alarm triggers?
The magnetic sensor triggers when the two pieces separate by approximately half an inch. This means the alarm sounds at the very beginning of a door or window opening — not after it is fully open. You get the earliest possible warning of an unauthorized entry.
| Manufacturer | Safety Technology |
|---|---|
| Decibles | 90 db |
| Battery | Three 1.5V LR44/AG13 Button Cell (Included) |
| Color | White |
| Warranty | 1 year |
| Weight | 0.2 lbs |
| Dimensions | 2 ½” x 1 ¾” x ¾” |
Additional information
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