STI 6400 Exit Stopper Multifunction Door Alarm, Red

Prevent unauthorized exits and secure critical egress points with the Safety Technology International STI 6400 Exit Stopper door alarm. Designed for interior use in schools, hospitals, retail and industrial facilities, this multifunction door alarm delivers an immediate deterrent with a 105 dB audible horn and a bright LED flash to attract attention and stop misuse. The STI 6400 is battery-powered for fast, low-cost installation and offers user-selectable alarm durations (30 seconds, 3 minutes or continuous) and two horn levels to suit facility policies. A keyed override permits authorized exits without delay, while annunciator mode provides a non-intrusive beep to log openings for monitoring. Constructed with a protective polycarbonate cover and multiple language labels, the unit supports clear on-site messaging and lasting durability. For integrated security, an optional Form C relay enables connection to building monitoring or alarm systems. Enhance your perimeter control and improve surveillance of emergency exits—add the STI 6400 Exit Stopper to your security plan or contact us for volume solutions.

• Strong audible and visual deterrent: 105 dB horn plus LED strobe alerts staff and stops unauthorized use of emergency exits
• Configurable alarm behavior: select 30 seconds, 3 minutes or continuous alarm to match your site policy and reduce nuisance activations
• Simple battery-powered installation with protected polycarbonate cover for quick deployment on interior doors without wiring
• Authorized override and annunciator modes: keyed silence for safe egress and optional beeping-only annunciator for monitoring door activity
• Integration-ready: optional Form C dry contact relay allows connection to building security or monitoring systems for centralized surveillance