Door Devil® Window Sensor Alarms, 2-Pack
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.
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.
120dB alarm is 30% louder than any other device on the market and can be heard up to 750ft away
Included LR44 batteries deliver protection up to 6 months. Low Battery Indicator tells you when it’s time to replace.
Slim profile is perfect for any location – windows, sliding doors, baby gates, RVs, and more.
High-quality ABS shell is built to last.