STI 6400WIR Wireless Exit Stopper Multifunction Door Alarm

Prevent unauthorized exits and protect emergency doors with the Safety Technology International STI 6400WIR wireless exit stopper door alarm. Engineered for facility security and monitoring, this self-contained door alarm combines a highly visible stop-sign housing with a selectable 95 or 105 dB siren and adjustable alarm durations (30 seconds, 3 minutes, or continuous) to deter tampering and draw instant attention. Its supervised 433 MHz wireless transmission reports activations to STI 4- or 8-channel receivers at ranges up to 1000 ft line-of-sight, enabling remote alerts to security staff and integration into existing surveillance and monitoring workflows. Battery-powered (9V) and designed for indoor door-mount installation, the unit includes a maintenance deactivation cable to allow safe service without triggering alarms. The STI 6400WIR is an affordable, easy-to-install solution for hospitals, schools, retail, and commercial facilities looking to improve door control, theft prevention, and emergency-door compliance. Add the STI 6400WIR to your security toolkit to strengthen access control and streamline incident response—contact your security supplier to order or specify for upcoming projects.

• Deters unauthorized exits and misuse of emergency doors with a highly visible stop-sign design and a powerful 95/105 dB alarm that draws immediate attention
• Supervised 433 MHz wireless signaling alerts STI receivers up to 1000 ft line-of-sight for fast remote monitoring and security response
• Selectable alarm durations (30 seconds, 3 minutes, or continuous) and two volume settings to match facility policies and reduce nuisance activations
• Simple door-mount installation and 9V battery operation enable fast deployment with a maintenance deactivation cable for safe service
• Integrates with building security and surveillance programs to prevent theft, unauthorized egress, and noncompliant door use while remaining firefighting-safe