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Wireless Alarms and Wireless Alerts

Did You Know?
You can search for a cover based on the dimensions of the appliance you need protected!

Find a Cover
Did You Know?
Stopper II has been helping stop false fire alarms for over 30 years.

Stopper II
Did You Know?
You may spot a Stopper during your next vacation: St. Louis Arch, San Francisco, Antartica, Disney, etc.

Stopper II
Did You Know?
Rex the Electronic Watchdog has been used to scare not only intruders, but bear and deer!

Bear Beware
Featured Product

STI-6517B/FRE
Wireless Stopper® Station Shield with Sound and Transmitter, French

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About STI Wireless Alarms and Wireless Alerts

Wireless alarms and wireless alerts are as flexible as they are secure.

Door alarms, driveway monitors, theft stoppers, motion-activated alarms, burglar stoppers and garage sensors can all work using wireless technology, giving you both freedom and easy installation.