


🛑 Stop false alarms before they start — protect your space with confidence!
The STI-1100 Stopper II is a high-decibel (105 dB) alarmed protective cover designed to prevent false fire alarms without hindering emergency use. Featuring a UV-stabilized polycarbonate housing, it offers tamperproof durability and easy flush mount installation over existing manual call points. UL/cUL listed and backed by a 3-year warranty on the cover, it’s ideal for public buildings prone to false alarms, ensuring safety and operational integrity.
| Manufacturer | Safety Technology Intl |
| Part Number | STI-1100 |
| Product Dimensions | 12.7 x 8.1 x 16.5 cm; 453.59 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 Decibels |
| 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 | 454 g |
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