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Exit Stopper® Reed and Magnet Mounting Options (STI-6400)
STI's highly effective Exit Stopper door alarm can serve as an inexpensive security device and help stop theft by alerting you to any unauthorized exits or entries through emergency exit doors. Alarm offers five reed and magnet mounting options.
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Safety Technology International, Inc. Overview
STI manufacturers covers, cages, alarms and custom buttons. Rely on STI® to protect the things that protect you.
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Stopper II® with Spacer Installation
How to easily install the Stopper II® with spacer. This unique Stopper II protective cover has helped prevent false fire alarms around the world for over 40 years, without restricting legitimate operation of devices.
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Steel Web Stopper® High Profile, Surface Mount (STI-9610)
Constructed of tough 9-gauge coated steel wire, this cage is an excellent way to protect smoke detectors against both vandalism and accidental damage.