STI 6400 Exit Stopper Multifunction Door Alarm, Red STI-6400

The 6400 Multifunction Exit Door Alarm is a reliable security and emergency exit monitoring device designed to discourage unauthorized use of emergency exits, fire doors, and restricted entry points. Featuring a distinctive stop-sign-shaped design, a powerful audible siren, and flashing LED indicators, this door alarm provides immediate audible and visual warnings whenever a protected door is opened.

Designed for commercial buildings, schools, hospitals, warehouses, retail stores, and other facilities, the alarm offers selectable sound levels of 95 dB or 105 dB and adjustable alarm durations of 30 seconds, 3 minutes, or continuous operation. A key-operated override allows authorized personnel to silence the alarm, while an optional annunciator mode provides door-opening notifications with automatic reset when the door closes.

Constructed from durable polycarbonate, the compact alarm features low-battery alerts, extended battery-life functionality, and multilingual warning labels. Its straightforward installation and flexible operating modes make it an effective solution for improving exit door monitoring and building security without preventing legitimate emergency egress.

Key Features:

• Emergency Exit Door Monitoring: Provides audible and visual warnings when protected emergency exits or restricted doors are opened.

• High-Output Warning Siren: Selectable 95 dB or 105 dB alarm levels help attract immediate attention.

• Flashing LED Alert: Integrated visual indicators activate during an alarm event for enhanced notification.

• Adjustable Alarm Duration: Supports 30-second, 3-minute, or continuous alarm operation.

• Key-Operated Override: Allows authorized personnel to silence or deactivate the alarm when necessary.

• Optional Annunciator Mode: Provides audible door-opening notifications and resets when the protected door closes.

• Multilingual Warning Labels: Includes warning labels in 21 languages for versatile commercial and institutional applications.

• Low-Battery Notification: Audible beeps and flashing indicators signal when battery replacement is required.

• Durable Polycarbonate Construction: Impact-resistant housing helps protect the alarm against accidental damage.

• Distinctive Stop-Sign Design: Highly visible red housing helps discourage unauthorized door use while maintaining emergency exit accessibility.