--- product_id: 59773295 title: "Safety Technology International, Inc. STI-1100 Stopper II with Horn, Flush Mount, Protective Polycarbonate Cover" brand: "sti" price: "796.16 DT" currency: TND in_stock: true category: "Sti" url: https://www.desertcart.tn/products/59773295-safety-technology-international-inc-sti-1100-stopper-ii-with-horn store_origin: TN region: Tunisia --- # 105 dB alarm volume Flush mount retrofit installation UV-stabilized polycarbonate cover Safety Technology International, Inc. STI-1100 Stopper II with Horn, Flush Mount, Protective Polycarbonate Cover **Brand:** sti **Price:** 796.16 DT **Availability:** โœ… In Stock ## Summary > ๐Ÿ›ก๏ธ Stop false alarms before they start โ€” protect your space with confidence! ## Quick Answers - **What is this?** Safety Technology International, Inc. STI-1100 Stopper II with Horn, Flush Mount, Protective Polycarbonate Cover by sti - **How much does it cost?** 796.16 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/59773295-safety-technology-international-inc-sti-1100-stopper-ii-with-horn) ## Best For - sti enthusiasts ## Why This Product - Trusted sti brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - โ€ข **Seamless Retrofit:** Simple 4-fix flush mount design fits over existing call points without hassle. - โ€ข **Durable & Tamperproof:** UV-stabilized polycarbonate housing resists harsh impacts and malicious tampering. - โ€ข **Trusted for 30+ Years:** Globally proven to reduce false alarms in schools, hospitals, and public buildings. - โ€ข **Peace of Mind Warranty:** 3-year polycarbonate breakage guarantee keeps your safety investment secure. - โ€ข **Loud & Clear Protection:** 105 dB alarm deters false triggers while ensuring emergency alerts are unmistakable. ## Overview The STI-1100 Stopper II is a robust, UV-stabilized polycarbonate alarm cover with a powerful 95-105 dB horn designed to prevent false fire alarms without blocking legitimate emergency use. Its flush mount retrofit design fits over existing manual call points, making it ideal for high-risk environments like schools and hospitals. Backed by a 3-year warranty on the polycarbonate cover, this UL/cUL listed device combines durability and reliability to safeguard your facility from costly false alarms. ## Description Larger 95 or 105 dB alarmed cover helps prevent malicious or accidental false fire alarms. The Stopper II is a unique device which has helped prevent false fire alarms around the world for more than 30 years, without restricting legitimate operation of devices such as fire alarm break glass call points. It is ideal for schools, colleges, hospitals, nursing homes, hotels and all public buildings where there is a history or a threat of false fire alarms. The Stopper II consists of a clear, tamperproof, tough polycarbonate cover and frame that retrofits over the break glass call point or pull station ## Features - Larger Alarmed cover helps prevent malicious or accidental false fire alarms - Prevents false fire alarms without hindering legitimate operation of a manual call point in the event of an emergency - Tough UV-stabalised polycarbonate housing can withstand the severest of knocks. - UL/cUL Listed No. S2466 - A simple flush 4 fixing installation can retrofit over existing device - 3 year guarantee against breakage of polycarbonate in normal use (one year on electromechanical and electronic components) ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B002RLQG8K | | Alarm | Visual | | Best Sellers Rank | 1,277,602 in DIY & Tools ( See Top 100 in DIY & Tools ) 945 in Smoke Alarms | | Brand | STI | | Colour | Clear | | Customer Reviews | 4.7 4.7 out of 5 stars (104) | | Global Trade Identification Number | 00662950110002 | | Included Components | Pollycarbonate mounting frame, polycarbonate cover, sounder hood unit, screws, rawl plugs, install sheet | | Item Dimensions D x W x H | 19.6D x 10.4W x 27.7H centimetres | | Item Type Name | Polycarbonate Cover | | Item Weight | 1 Pounds | | Manufacturer | Safety Technology Intl | | Manufacturer Warranty Description | Three year guarantee against breakage of polycarbonate in normal use (one year on electromechanical and electronic components). | | Material | Polycarbonate | | Model Number | STI-1100 | | Number of Items | 1 | | Part Number | STI-1100 | | Power source | Corded Electric | | Product Style | Alarms | | UPC | 783961693411 662950110002 | | Unit Count | 1.0 count | ## Product Details - **Alarm:** Visual - **Brand:** STI - **Colour:** Clear - **Global Trade Identification Number:** 00662950110002 - **Item weight:** 1 Pounds - **Material:** Polycarbonate - **Power source:** Corded Electric - **Product dimensions:** 19.6D x 10.4W x 27.7H centimetres - **Style:** Alarms - **Unit count:** 1.0 count ## Images ![Safety Technology International, Inc. STI-1100 Stopper II with Horn, Flush Mount, Protective Polycarbonate Cover - Image 1](https://m.media-amazon.com/images/I/61Ar0V9OY0L.jpg) ![Safety Technology International, Inc. STI-1100 Stopper II with Horn, Flush Mount, Protective Polycarbonate Cover - Image 2](https://m.media-amazon.com/images/I/41lmdhet4VL.jpg) ![Safety Technology International, Inc. STI-1100 Stopper II with Horn, Flush Mount, Protective Polycarbonate Cover - Image 3](https://m.media-amazon.com/images/I/31S5FulEM+L.jpg) ## Available Options This product comes in different **Style** options. ## Frequently Bought Together - Safety Technology International, Inc. STI-1100 Stopper II with Horn, Flush Mount, Protective Polycarbonate Cover , Red - Safety Technology International, Inc. STI-1130 Stopper II with Horn, Clear Spacer and Protective Polycarbonate Cover - Safety Technology International, Inc. STI-13010FR Universal Stopperยฎ, Flush Mount and Fire label, Indoor/Outdoor Protective Polycarbonate Cover for Pull Stations or Call Points, Red --- ## Why Shop on Desertcart? - ๐Ÿ›’ **Trusted by 1.3+ Million Shoppers** โ€” Serving international shoppers since 2016 - ๐ŸŒ **Shop Globally** โ€” Access 737+ million products across 21 categories - ๐Ÿ’ฐ **No Hidden Fees** โ€” All customs, duties, and taxes included in the price - ๐Ÿ”„ **15-Day Free Returns** โ€” Hassle-free returns (30 days for PRO members) - ๐Ÿ”’ **Secure Payments** โ€” Trusted payment options with buyer protection - โญ **TrustPilot Rated 4.5/5** โ€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/59773295-safety-technology-international-inc-sti-1100-stopper-ii-with-horn](https://www.desertcart.tn/products/59773295-safety-technology-international-inc-sti-1100-stopper-ii-with-horn) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-10-16*