Wireless Door & Window Alarm Sensor – 90dB Magnetic Alert

$14.57 $17.51

Wireless Door & Window Alarm Sensor – Instant 90dB Alert

Keep your home, office, or rental property secure with this simple yet effective wireless magnetic door and window alarm sensor. No wiring, no monthly fees, and no complicated setup — just peel, stick, and protect. The moment a door or window is opened, a loud 90-decibel alarm instantly sounds to alert you. Available in convenient 1, 2, or 3-packs to cover every entry point.

Key Features

90dB Instant Alert: Loud alarm triggers the moment the magnetic sensor detects separation — perfect for doors, windows, refrigerators, and cabinets.
Completely Wireless: Battery-powered (batteries included) — no wiring, no drilling, no professional installation needed.
Tool-Free Setup: Strong adhesive backing mounts securely to virtually any flat surface in seconds.
Versatile Use: Ideal for front doors, back doors, sliding windows, patio doors, refrigerators, storage rooms, and more.
No Monthly Fees: Unlike professional alarm systems, there are zero subscription or monitoring costs.
Visitor Notification: Also doubles as a handy open/entry reminder for shops or offices.
Multi-Pack Value: Choose 1, 2, or 3 units to secure every entry point in your home or business.

Specifications

Alarm Volume: 90 dB
Power Source: Battery (included)
Mounting: Adhesive tape (tool-free)
Sensor Type: Magnetic switch
Compatible Surfaces: Doors, windows, cabinets, refrigerators
Pack Options: 1pc / 2pc / 3pc
Made in: Mainland China

What's in the Box

1, 2, or 3 × Door & Window Alarm Sensor (with battery included per unit)

Related Products You May Like

Learn more: OSHA guidance on hand and power tools

Frequently Asked Questions

Q: Does the wireless door and window alarm sensor require any tools or wiring to install?

A: No tools, wiring, or professional installation is needed. The alarm sensor comes with a strong adhesive backing that attaches securely to any flat surface — simply peel and stick it onto your door or window frame and you're ready to go.

Q: What type of battery does the door alarm sensor use, and is it included?

A: Yes, the battery is included with each unit, so the alarm is ready to use straight out of the box. No separate battery purchase is required.

Q: Can I use this alarm sensor on a refrigerator or cabinet as well as doors and windows?

A: Absolutely! The magnetic sensor works on any surface where the two components can be placed close together — making it suitable for refrigerator doors, kitchen cabinets, storage rooms, sliding windows, and more.