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Alarm and Chime Products

Did You Know?
In some states, stealing a fire extinguisher is a third-degree felony punishable by up to five years in prison, a fine up to $5,000 or both?

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

Universal Stopper
Did You Know?
The driveway monitor can turn on a lamp when a car enters your driveway, giving the appearance someone is home.

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

Stopper II
Featured Product

STI-6400
Exit Stopper® Multifunction Door Alarm

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About STI Alarm and Chime Products

Alarms and chimes act as inexpensive security devices helping to stop theft, misuse and vandalism.

A medicine cabinet chime and a gun cabinet chime serve different end purposes, for example, but are essentially both security devices to help prevent unauthorized entry.

An Exit Stopper, garage door alarm, other open door alarm or window alert prevents theft from home or business premises, while a wireless chime or alert protects mailboxes, driveways, sheds and fences.