🚨 Stop false alarms before they start — protect your space with confidence!
The STI-1100 Stopper II is a clear, tamperproof polycarbonate cover with a powerful 105 dB alarm designed to prevent false fire alarms without blocking emergency use. Its UV-stabilized housing withstands harsh conditions, installs easily over existing manual call points, and meets UL/cUL safety standards. Ideal for public buildings, it comes with a 3-year warranty on the cover, ensuring durable, reliable protection.
| Manufacturer | Safety Technology Intl |
| Part Number | STI-1100 |
| Product Dimensions | 12.7 x 8.1 x 16.5 cm; 689 g |
| Item model number | STI-1100 |
| Colour | Clear |
| Style | Alarms |
| Material | Polycarbonate |
| Power Source | Corded Electric |
| Voltage | 12 Volts (DC) |
| Item Package Quantity | 1 |
| Sound level | 105 dB |
| Plug profile | Wall Mount |
| Included Components | Pollycarbonate mounting frame, polycarbonate cover, sounder hood unit, screws, rawl plugs, install sheet |
| Batteries included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Alkaline |
| Item Weight | 689 g |
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