STI 6405 Exit Stopper Momentary Reset, Red

Protect emergency exits and control unauthorized traffic with the Safety Technology International STI 6405 Exit Stopper momentary reset door alarm. Designed for facility security teams, this self-contained exit door alarm delivers a powerful 105 dB audible alert and a prominent red stop-sign housing that deters misuse while instantly notifying staff or security. The STI 6405 stays armed at all times and supports a momentary reset plus a keyed override for authorized egress, reducing false alarms and preserving emergency readiness.

Battery-powered with extended battery life and a low-battery warning, the unit minimizes maintenance while ensuring continuous operation. For integration into larger security and surveillance systems, an optional Form C dry contact relay allows connection to access control or central monitoring panels. Compact and easy to mount on top, side, or adjacent wall surfaces, the Exit Stopper is ideal for hospitals, schools, retail, warehouses, and other high-traffic facilities that require dependable exit monitoring.

Enhance your perimeter and interior door security—add the STI 6405 to your site’s access control and monitoring plan today.

• Deters unauthorized exits and entries with a highly audible 105 dB alarm that draws immediate attention and reduces liability
• Momentary reset with key override lets authorized personnel exit without disabling ongoing protection
• Battery-powered with extended life mode and low-battery warning for reliable, low-maintenance operation
• Universal mounting (top, left, right, wall) and compact 5.4" x 5.4" design for fast installation on most doors
• Optional Form C dry contact relay for seamless integration with access control, building monitoring, or alarm panels
• Bold red, stop-sign housing and multilingual labels enhance visibility and clarify authorized-use policy to visitors and staff