---
product_id: 383644926
title: "Safety Technology International, Inc. STI-1100 Stopper II with Horn, Flush Mount, Protective Polycarbonate Cover"
brand: "sti"
price: "11879381₫"
currency: VND
in_stock: true
url: https://www.desertcart.vn/products/383644926-safety-technology-international-inc-sti-1100-stopper-ii-with-horn
store_origin: VN
region: Vietnam
---

# Horn sounds on cover lift Secure cable connection Tamper-proof polycarbonate cover Safety Technology International, Inc. STI-1100 Stopper II with Horn, Flush Mount, Protective Polycarbonate Cover

**Brand:** sti
**Price:** 11879381₫
**Availability:** ✅ In Stock

## Summary

> 🚨 Protect your alarms, prevent false alerts, and stay ahead of safety risks!

## 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?** 11879381₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/383644926-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

- • **Instant Alert Horn:** Loud piezo horn triggers immediately when cover is lifted
- • **Unbreakable Shield:** Super tough polycarbonate cover resists tampering and damage
- • **Reliable Durability:** 3-year breakage warranty on cover, 1-year on electronics
- • **Seamless Integration:** Flush mount design fits virtually all manual pull stations
- • **Secure Access Control:** Cover tethered by cable to prevent unauthorized removal

## Overview

The STI-1100 Stopper II with Horn is a flush-mount, tamper-proof protective cover made from durable polycarbonate. Designed to fit nearly all manual pull stations, it features a loud piezo horn that sounds when the cover is lifted, deterring false fire alarms. Connected by a secure cable, it offers reliable protection backed by a 3-year warranty on the cover and 1 year on electronics, making it an essential upgrade for professional safety management.

## Description

Stopper II With Horn - Flush Mount - Horn Will Sound When Lifted To Gain Access To Actual Alarm - Fits Virtually All Manual Pull Stations - Clear - Tamperproof - Polycarbonate - Mfg #STI-1100

## 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 of polycarbonate in normal use, 1 year on electronics

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | STI |
| Style | Alarms |
| Power Source | Corded Electric |
| Colour | Red/Clear |
| Product Dimensions | 76.2D x 20.3W x 15.2H Centimeters |
| Item Weight | 1 Pounds |
| Global Trade Identification Number | 00662950110002 |
| Material | Polycarbonate |
| Number of Items | 1 |
| Manufacturer | Safety Technology Intl |
| UPC | 783961693411 662950110002 |
| Department | Safety Hardware |
| Country of Origin | USA |
| Item model number | STI-1100 |
| ASIN | B002RLQG8K |

## Product Details

- **Brand:** STI
- **Style:** Alarms
- **Power Source:** Corded Electric
- **Colour:** Red/Clear
- **Product Dimensions:** 76.2D x 20.3W x 15.2H Centimeters
- **Item Weight:** 1 Pounds
- **Global Trade Identification Number:** 00662950110002
- **Material:** Polycarbonate
- **Number of Items:** 1
- **Manufacturer:** Safety Technology Intl

## 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/71WXEPlGu4L.jpg)

## 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 Stopper®, Flush Mount and Fire label, Indoor/Outdoor Protective Polycarbonate Cover for Pull Stations or Call Points, Red

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-01-28*