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Wireless Alarms and Wireless Alerts

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

Stopper II
Did You Know?
The Universal Stopper is made from the same material as football helmets - polycarbonate!

Universal Stopper
Did You Know?
Can’t hear your existing doorbell in your basement, garage, shed, etc. With wireless ease extend the chime to greater distances.

Extend Chime
Did You Know?
Need to tell Rex to stop barking? Try hooking the barking dog alarm to a remote controlled switch.

Shhhh…
Featured Product

STI-34200
Wireless Mailbox Alert

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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.