Door Devil® Window Sensor Alarms, 2-Pack

Secure windows and more with easy-to-install sensor alarms.

$29.99

Protect loved ones & valuables

120dB alarm is 30% louder than anything on the market and can be heard up to 750ft away.

Quick & Easy installation

Designed to universally fit any window, our window alarms only take a few seconds to install and require no tools.

Batteries included

Ready to use right out of the box.

Your front door is the front line.

View Our Door Security Kit.

Motion detection where you need it

Powerful magnetic sensors detect and notify upon the opening of doors, windows, gates, and more. Keep track of exit and entry points at home, in office, or both.

Simple and effective

Our slim-profile alarms can be installed on virtually any opening you’d like to monitor. Included 3M adhesive makes installation quick and easy, with no need for tools.

Features of Door Devil® Window Sensor Alarms

Powerful sound

120dB alarm is 30% louder than any other device on the market and can be heard up to 750ft away

No electricity needed

Included LR44 batteries deliver protection up to 6 months. Low Battery Indicator tells you when it’s time to replace.

Ultra-slim design

Slim profile is perfect for any location – windows, sliding doors, baby gates, RVs, and more.

Easy installation

No screws or wiring needed. Included 3M adhesive makes installation a breeze.

Durable construction

High-quality ABS shell is built to last.