STI products
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STI STI-6700 Break Glass Stopper Keys Under Glass
Under-glass break stopper key for manual emergency access override
- Mechanical failsafe operation independent of electronic systems
- Mounts under glass in STI emergency access enclosures
- Compliant with life safety codes for emergency egress requirements
Usually Ships in 2-3 Weeks Free shipping over $499$54.05 $53.99 Save $0.06 -
Save $0.01
STI 6602-CB Horn Kit
Custom blue replacement horn kit engineered for the STI-13000 Universal Stopper system
- Restores audible alerting on STI-13000 Universal Stopper systems without protocol changes.
- Operates at 9VDC, integrating directly into existing power infrastructure with no modifications.
- Custom blue housing supports site color-coding standards for door control installations.
Usually Ships in 2-3 Weeks Free shipping over $499$68.00 $67.99 Save $0.01 -
Save $0.03
STI STI-6602 Horn Kit - STI-13000
Replacement horn for STI-13000 Universal Stopper electric strikes
- Drop-in retrofit horn kit operates at 9VDC for existing installations
- Compatible with STI-13000 series universal stopper door control systems
- Component-level replacement eliminates need for full system replacement
Usually Ships in 2-3 Weeks Free shipping over $499$64.02 $63.99 Save $0.03 -
Save $0.36
STI STI-6583 24-Volt Heater Kit
24VDC supplemental heater designed to maintain reliable operation of STI electronic lock and strike assemblies in cold or unheated environments
- Runs on 24VDC to integrate directly with standard access control panel aux outputs.
- Prevents solenoid lag and mechanical binding in strikes exposed to cold environments.
- Stainless steel construction suits corrosive outdoor and loading dock deployments.
Usually Ships in 2-3 Weeks Free shipping over $499$96.35 $95.99 Save $0.36 -
Save $0.84
STI Widebody Keypad Protector with Key Lock - Smoke color
Smoke widebody keypad protector with integrated key lock for access control
- Widebody profile fits larger keypad installations while maintaining reader access
- Integrated key lock secures reader assembly against unauthorized tampering
- Wall-mounted design works with standard STI reader form factors
Usually Ships in 2-3 Weeks Free shipping over $499$58.83 $57.99 Save $0.84 -
Save $0.82
STI STI-6552 Weather Gasket for Widebody Keypad Protector
Weather gasket engineered to seal widebody keypad protector assemblies against environmental ingress
- Seals widebody keypad protector frames against moisture, dust, and salt spray.
- Fits existing widebody protector fixing holes — no drilling or special tools needed.
- Rated for outdoor use, protecting 9VDC keypad assemblies in direct rain or coastal environments.
Usually Ships in 2-3 Weeks Free shipping over $499$10.81 $9.99 Save $0.82 -
Save $0.32
STI Widebody Keypad Protector without Lock - Clear - STI-6550
Transparent polycarbonate protective cover that shields widebody keypad readers from physical damage, environmental exposure, and grime accumulation
- Clear polycarbonate housing lets you inspect button condition and LEDs without removal.
- Rated −40°F to 250°F; UV-resistant molding handles harsh indoor and outdoor environments.
- Tool-free install with included anchors and screws; no wiring or frame modifications needed.
Usually Ships in 2-3 Weeks Free shipping over $499$49.31 $48.99 Save $0.32 -
Save $13.87
STI STI-6522-S Bopper Stopper Biometric Reader
Fingerprint + PIN dual-factor reader for access control door entry
- Fingerprint recognition with integrated keypad for two-factor authentication
- Standalone or multi-reader infrastructure compatible with door control systems
- IR low-light capability with mounting frame for direct installation
Usually Ships in 2-3 Weeks Free shipping over $499$41.86 $27.99 Save $13.87 -
Save $0.87
STI STI-6522-C Bopper Stopper Clear Biometric Keypad Reader
Fingerprint + keypad reader with clear housing and dual authentication
- Dual-mode authentication combining fingerprint recognition with keypad entry
- TCP/IP and RS-232 connectivity for integration into HID-based access control
- Clear polycarbonate housing allows visual inspection of status and components
Usually Ships in 2-3 Weeks Free shipping over $499$39.86 $38.99 Save $0.87 -
Save $0.20
STI Bopper Stopper - STI-6521-S
Molded polycarbonate hinged cover designed to shield keyless locks, biometric readers, keypads, and electrical controls from vandalism, accidental
- Polycarbonate shell shields keypad and biometric readers from impact and debris.
- Rated −40°F to 250°F, supporting reliable operation in outdoor and harsh environments.
- Installs with included screws and gasket; no tools or wiring beyond mechanical fastening.
Usually Ships in 2-3 Weeks Free shipping over $499$36.19 $35.99 Save $0.20 -
Save $0.49
STI STI-6521-C Bopper Stopper Keyless Lock Reader
Multimodal reader with fingerprint, keypad, and HID for flexible access
- Fingerprint biometric + keypad + HID credential support in one reader
- TCP/IP and RS-232 connectivity for existing networked access systems
- Wired installation with integrated power and data, multiple auth policies per door
Usually Ships in 2-3 Weeks Free shipping over $499$34.48 $33.99 Save $0.49 -
Save $0.55
STI Bio Protector - Identification Reader Cover - Smoke Color
Smoke-tinted cover shields biometric and keypad readers from damage
- Protective plastic housing guards fingerprint and keypad reader surfaces
- Mounts directly to STI biometric and keypad identification systems
- Environmental and physical protection extends reader lifespan in access control
Usually Ships in 2-3 Weeks Free shipping over $499$33.54 $32.99 Save $0.55 -
Save $0.39
STI STI-6519-FR Single-Gang Protective Cover
Single-gang protective cover for networked access control at 9VDC
- TCP/IP communication integrates with access control systems over standard network infrastructure
- Wall plate/door frame mount fits single-gang installations in standard electrical openings
- 9VDC operating voltage compatible with common 12VDC and 24VDC regulated power supplies
Usually Ships in 2-3 Weeks Free shipping over $499$29.38 $28.99 Save $0.39 -
Save $0.54
STI STI-6518-FR Bopper Stopper Reader with Spring Loaded Hinge
Fingerprint + PIN biometric reader with spring-loaded hinge for access control
- Hybrid authentication combines fingerprint biometric scanning with PIN keypad entry
- TCP/IP network communication integrates into distributed control systems without dedicated wiring
- Spring-loaded hinge design simplifies mounting and adjustment in standard panel installations
Usually Ships in 2-3 Weeks Free shipping over $499$37.53 $36.99 Save $0.54 -
Save $0.54
STI 6518-ES Spring Loaded Hinge - Clear
Spring-loaded protective cover with biometric & keypad support, Spanish wording
- Clear polycarbonate housing with spring-loaded hinge for durable reader protection
- Biometric fingerprint and keypad credential support with TCP/IP network integration
- Weather-resistant design built for commercial and secure facility access control
Usually Ships in 2-3 Weeks Free shipping over $499$37.53 $36.99 Save $0.54 -
Save $0.92
STI STI-6402WIR Wireless Door Alarm
Double-door wireless alarm with hardwired + wireless connectivity, 9 VDC
- Multifunction alarm with audible siren and visual flashing beacon for dual alert
- Hybrid hardwired and wireless operation for retrofit or new system integration
- Compact 5.375" × 5.375" × 2" frame mount with 9V battery power included
Usually Ships in 2-3 Weeks Free shipping over $499$191.91 $190.99 Save $0.92 -
Save $0.73
STI Exit Stopper® Multifunction Door Alarm for Double Door
Multifunction alarm & strike control for up to 32 doors
- Manages 32 doors with single 9 VDC battery or 12–24 VDC hardwired power
- Visual beacon alarm paired with audible siren for dual-alert monitoring
- Battery lasts approximately 2 years with ultra-low 15μA draw
Usually Ships in 2-3 Weeks Free shipping over $499$151.72 $150.99 Save $0.73 -
Save $0.78
STI STI-6400WIR Wireless Exit Stopper Multifunction Door Alarm
Wireless-enabled exit stopper and multifunction door alarm designed to prevent unauthorized exits and entries without the cost and installation
- Wireless design eliminates conduit runs for faster retrofit deployment on exit doors.
- Compact 5.375"×5.375"×2" housing mounts top, left, right, or adjacent to standard frames.
- Dual-mode operation: select local audible alarm or networked annunciator output per site need.
Usually Ships in 2-3 Weeks Free shipping over $499$176.77 $175.99 Save $0.78 -
Save $0.21
STI STI-6255 Mini Theft Stopper Lock
Standalone 9VDC magnetic reed-switch alarm lock designed to deter theft and unauthorized removal of fire extinguishers and other portable equipment
- Triggers a 95 dB alarm at 1 meter when protected equipment is moved or lifted.
- Runs on a single 9V alkaline cell—no wiring, AC power, or control panel needed.
- Universal clip mounts to fire extinguisher pull pins or under any portable equipment.
Usually Ships in 2-3 Weeks Free shipping over $499$50.20 $49.99 Save $0.21 -
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STI STI-6254 Cabinet Alarm Lock/Strike
Proximity cabinet lock/strike for multi-door security applications
- Reed switch and magnet activation supports up to 31 doors per system
- 9VDC alkaline power with compact 3.37" W × 1" D footprint for cabinet mounting
- Proximity-based reader eliminates mechanical keys for access control
Usually Ships in 2-3 Weeks Free shipping over $499$44.04 $43.99 Save $0.05







