---
product_id: 11245003
title: "Safety Technology International, Inc. STI-1130 Stopper II with Horn, Clear Spacer and Protective Polycarbonate Cover"
brand: "sti"
price: "27225 kr"
currency: ISK
in_stock: true
reviews_count: 5
category: "Sti"
url: https://www.desertcart.is/products/11245003-safety-technology-international-inc-sti-1130-stopper-ii-with-horn
store_origin: IS
region: Iceland
---

# 105 dB piercing horn alert Secure cable tether connection Tamper-proof polycarbonate cover Safety Technology International, Inc. STI-1130 Stopper II with Horn, Clear Spacer and Protective Polycarbonate Cover

**Brand:** sti
**Price:** 27225 kr
**Availability:** ✅ In Stock

## Summary

> 🛡️ Silence false alarms, amplify safety — the ultimate fire alarm guardian!

## Quick Answers

- **What is this?** Safety Technology International, Inc. STI-1130 Stopper II with Horn, Clear Spacer and Protective Polycarbonate Cover by sti
- **How much does it cost?** 27225 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/11245003-safety-technology-international-inc-sti-1130-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

- • **Built to Last:** Ultra-durable polycarbonate cover with 3-year breakage guarantee
- • **Plug & Protect:** Includes battery, UL listed, and easy bi-annual maintenance
- • **Secure & Smart:** Cover tethered by cable to prevent loss or tampering
- • **Instant Alert Horn:** 105 dB horn sounds immediately when cover is lifted
- • **False Alarm Fighter:** Stops nuisance fire alarms without blocking real alerts

## Overview

The STI-1130 Stopper II is a patented, tamper-proof fire alarm cover with a built-in 105 dB horn that sounds when the cover is lifted, effectively preventing false fire alarms while ensuring legitimate alerts are never blocked. Made from ultra-tough polycarbonate with a 3-year breakage warranty, it’s UL listed, battery-included, and designed for easy installation and maintenance in schools, hospitals, hotels, and public spaces.

## Description

Product Description Safety Technology International, Inc. -STI 1130 Stopper II with Horn, Clear Spacer and Protective Polycarbonate Cover- This unique and patented device has been helping stop false fire alarms around the world for almost 30 years without restricting legitimate alarms. This tamperproof, tough polycarbonate cover is ideal for schools, hospitals, nursing homes, stores, hotels and public buildings of almost every kind. 95 dB or 105 dB self-contained alarm. Cover is connected to the frame by a cable; when cover is lifted it hangs from the frame by this cable. Horn stops blaring once cover is snapped back onto the frame. 3 year guarantee against breakage in normal use. End user must verify the alarm and battery function every six months and replace battery annually or as required. UL Listed to U.S. and Canadian safety standards. Includes battery. Polycarbonate rated -40 degrees F to 250 degrees F (-40 degrees C to 121 degrees C). There is a 3 year guarantee against breakage of polycarbonate in normal use (one year on electro mechanical and electronic components).Safety Technology International, Inc. "We protect the things that protect you" From the Manufacturer This unique and patented device has been helping stop false fire alarms around the world for almost 30 years without restricting legitimate alarms. Ideal for schools, hospitals, nursing homes, stores, hotels and public buildings of almost every kind. 95 dB or 105 dB self-contained alarm. Complete with battery. Polycarbonate rated -40 degrees F to 120 degrees F (-40 degrees C to 49 degrees C). End user must verify the alarm and battery function every six months and replace battery annually or as required. UL Listed to U.S. and Canadian safety standards.

Review: Easy install - Easy to install and works very well
Review: Works as it should - Perfect

## Features

- Protective cover helps stop false fire alarms
- Super tough clear polycarbonate tamper proof cover and piezo horn
- Horn sounds when cover is lifted to gain access to alarm
- Cover is connected to the frame by a cable
- 3 year guarantee against breakage in normal use

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B002RLZXAW |
| Alarm | Audible |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Best Sellers Rank | #232,458 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #213 in Smoke Detectors & Fire Alarms |
| Brand | STI |
| Color | Clear |
| Customer Reviews | 4.3 4.3 out of 5 stars (40) |
| Date First Available | November 30, 2009 |
| Finish | Clear |
| Global Trade Identification Number | 00662950113003 |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Item Weight | 2 pounds |
| Item model number | ST1-1130 |
| Manufacturer | Safety Technology Intl |
| Number Of Pieces | 1 |
| Number of Items | 1 |
| Part Number | 1130 |
| Power Source | Corded Electric |
| Product Dimensions | 30"D x 8"W x 6"H |
| Style | Protective |
| UPC | 737214687290 662950113003 |
| Warranty Description | Lifetime guarantee against breakage of the polycarbonate housing in normal use (one year on electronic components). |

## Product Details

- **Alarm:** Audible
- **Brand:** STI
- **Color:** Clear
- **Global Trade Identification Number:** 00662950113003
- **Item Weight:** 2 Pounds
- **Manufacturer:** Safety Technology Intl
- **Number of Items:** 1
- **Power Source:** Corded Electric
- **Product Dimensions:** 30"D x 8"W x 6"H
- **Style:** Protective

## Images

![Safety Technology International, Inc. STI-1130 Stopper II with Horn, Clear Spacer and Protective Polycarbonate Cover - Image 1](https://m.media-amazon.com/images/I/616ZkiLCfpL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Easy install
*by K***N on January 21, 2023*

Easy to install and works very well

### ⭐⭐⭐⭐⭐ Works as it should
*by J***L on April 22, 2019*

Perfect

### ⭐⭐⭐⭐ Relief
*by D***. on November 17, 2014*

Already doing the job - false alarm pattern stopped and state fire marshal happy!

## Frequently Bought Together

- Safety Technology International, Inc. STI-1130 Stopper II with Horn, Clear Spacer and Protective Polycarbonate Cover
- Safety Technology International, Inc. STI-1100 Stopper II with Horn, Flush Mount, Protective Polycarbonate Cover , Red
- Safety Technology International, Inc. STI-1230 Stopper II without Horn with Clear Spacer, Protective Polycarbonate Cover

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.is/products/11245003-safety-technology-international-inc-sti-1130-stopper-ii-with-horn](https://www.desertcart.is/products/11245003-safety-technology-international-inc-sti-1130-stopper-ii-with-horn)

---

*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-02-03*