Magnetic Door Window Alarm 90dB 2-Pack, Wireless Entry Detection, Battery Included, Adhesive Mount, On/Off Switch, Doors Windows Sliding Glass, Budget Home Security, Safety Technology

$13.00

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Simple magnetic sensor that sounds 90dB alarm when doors or windows are opened. Two-pack covers your main entry points. Adhesive mount requires no wiring—stick the pieces and arm.

  • 90dB alarm - Loud enough to alert household
  • Magnetic sensor - Two-piece system detects door/window opening
  • 2-pack value - Cover two entry points for $13
  • Batteries included - LR44 button cells ready to use
  • Adhesive mount - No tools or wiring needed
  • Versatile use - Doors, windows, and sliding glass doors

Know immediately when doors or windows open. These magnetic alarms sound a 90dB siren when the two-piece magnetic contact is broken—simple, reliable entry detection for any home.

Who This Alarm Is Best For:

  • Homeowners wanting basic entry alerts
  • Parents monitoring kids’ door usage
  • Renters needing no-install security

 

Is This the Right Security Option for You?

Choose this door/window alarm if you want:

  • Budget entry detection (2 for $13)
  • Simple magnetic sensor technology
  • Works on doors, windows, and sliders
  • Easy on/off control

 

Consider something else if you need:

 

Simple Magnetic Technology

Two pieces—one with the alarm, one magnetic. Mount them close together on door/frame or window/frame. When they separate (door or window opens), the 90dB alarm sounds. Simple, proven technology.

Versatile Entry Protection

Works on hinged doors, sliding doors, windows, and sliding glass doors. Anywhere you have two surfaces that separate when opened, these alarms can provide detection. The adhesive mount adapts to any surface.

Quick Comparison: How Does the Door/Window Alarm Stack Up?

Feature Door/Window 2pk Glass Break 2pk Door Stop Door Guard
Detection Magnetic open ✓ Glass vibration Door pressure Door vibration
Decibels 90dB 100dB 120dB ✓ 98dB
Mount Adhesive ✓ Adhesive Floor wedge Hang on handle
Price $13/2 ✓ $15/2 $7.95 $9
Best For Entry points Windows Travel Quick setup

Practical Details

90dB siren. Measures 2.5″ x 1.75″ x 0.75″. Weighs 0.2 lbs for both units. Includes three LR44/AG13 button cell batteries per unit. On/off switch for easy control. White color. 1-year warranty from Safety Technology.

Budget entry protection, two-pack value. Order today.

Frequently Asked Questions

How far apart can the pieces be?

They need to be close—within about 0.5 inch when closed. The magnetic connection must be strong enough to keep the alarm silent when door/window is closed.

Can I turn it off temporarily?

Yes. The on/off switch lets you disable the alarm when you want to open doors without triggering. Just remember to re-arm it.

Will this work on a sliding glass door?

Yes. Mount one piece on the sliding panel and one on the frame. When the door slides open, the pieces separate and the alarm sounds.

ManufacturerSafety Technology
Decibles90 db
BatteryThree 1.5V LR44/AG13 Button Cell (Included)
ColorWhite
Warranty1 year
Weight0.2 lbs
Dimensions2 ½” x 1 ¾” x ¾”

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