---
product_id: 5007137
title: "Safety Technology International, Inc. STI-6402 105 dB Exit Stopper® Multifunction Door Alarm for Double Doors with on/off Switch and 9 Volt Battery"
brand: "sti"
price: "Bs.1993"
currency: BOB
in_stock: true
url: https://www.desertcart.bo/products/5007137-safety-technology-international-inc-sti-6402-105-db-exit-stopper
store_origin: BO
region: Bolivia
---

# 105 dB piercing alarm 9V long-life alkaline battery Versatile double door mounting Safety Technology International, Inc. STI-6402 105 dB Exit Stopper® Multifunction Door Alarm for Double Doors with on/off Switch and 9 Volt Battery

**Brand:** sti
**Price:** Bs.1993
**Availability:** ✅ In Stock

## Summary

> 🚨 Stop unauthorized exits before they happen — loud, smart, and ready to protect!

## Quick Answers

- **What is this?** Safety Technology International, Inc. STI-6402 105 dB Exit Stopper® Multifunction Door Alarm for Double Doors with on/off Switch and 9 Volt Battery by sti
- **How much does it cost?** Bs.1993 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.bo](https://www.desertcart.bo/products/5007137-safety-technology-international-inc-sti-6402-105-db-exit-stopper)

## 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

- • **Tailored Alarm Modes:** Choose from 30 seconds, 3 minutes, continuous, or annunciator beep modes to fit your unique security needs.
- • **Complete Security Kit:** Includes tamper wrench, activation keys, reed switches, and door alarm labels—everything to safeguard your space professionally.
- • **Unmatched Audible Security:** 105 dB alarm ensures no unauthorized exit goes unnoticed, creating a secure environment that commands attention.
- • **Durable & Weather-Resistant:** UV-stabilized polycarbonate housing withstands sun exposure, ensuring long-lasting protection indoors or near entrances.
- • **Plug & Protect Installation:** Self-contained design with included screws and anchors means effortless setup—security without the hassle.

## Overview

The STI-6402 Exit Stopper® is a high-decibel (up to 105 dB) multifunction door alarm designed for double doors, featuring versatile mounting options and multiple alarm modes. Powered by a long-life 9V alkaline battery, it offers easy installation with a complete accessory kit and durable UV-stabilized polycarbonate housing. Ideal for professional spaces seeking reliable, audible security against unauthorized entry or exit.

## Description

Safety Technology International, Inc. STI-6402 105 dB Exit Stopper® Multifunction Door Alarm for Double Doors with on/off Switch and 9 Volt Battery

## Features

- Alarm alerts to unauthorized exits or entries through protected doors
- Unit is completely self-contained and easy to install
- Sounds a powerful 95 or 105 db alarm when Activated
- May be mounted on top, right, left or next to almost any door
- Dimensions - 5 in. diameter x 1.875 in. depth

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Voltage | 9 Volts |
| Control Method | App, Touch |
| Noise Level | 105 Decibels |
| Mounting Type | Door Mount |
| Sensor Technology | Contact Sensor |
| UPC | 662950640202 |
| Global Trade Identification Number | 00662950640202 |
| Manufacturer | Safety Technology International, Inc |
| Part Number | 6402 |
| Item Weight | 12.8 ounces |
| Product Dimensions | 5.38 x 5.38 x 2 inches |
| Item model number | STI-6402 |
| Batteries | 1 9V batteries required. (included) |
| Is Discontinued By Manufacturer | No |
| Style | Alarm |
| Item Package Quantity | 1 |
| Number Of Pieces | 1 |
| Included Components | Mounting Screws (12)^Tamper Wrench^9V battery^Reed Switch(2)^Magnet(2)^Tamperproof Screw^Key Ring^Activation Key (2)^Door Alarmed label^Anchors (12)^Spacers (8)^Door alarm unit^Installation instructions |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Alkaline |
| Description Pile | Alkaline |

## Product Details

- **Color:** 2
- **Brand:** STI
- **Power Source:** Battery Powered
- **Battery Description:** Alkaline
- **Number of Batteries:** 1 9V batteries required. (included)

## Images

![Safety Technology International, Inc. STI-6402 105 dB Exit Stopper® Multifunction Door Alarm for Double Doors with on/off Switch and 9 Volt Battery - Image 1](https://m.media-amazon.com/images/I/61QQqshHzRL.jpg)

## Questions & Answers

**Q: Dose it come with the key?**
A: Our STI-6400 comes with 2 KIT-H19032 alarm keys (2341) and 2 KIT-H19016 service screw key

**Q: where is this made?**
A: Taiwan

**Q: How do you shut off the short loud signal every minute or two  that is obnoxious and assume is meant to indicate battery working?**
A: That could indicate you have a low battery.  Shut-off the unit and then replace the internal 9V battery.  Then you can turn the unit back on and the indicator should go away.  If you need instructions on how to do this let visit our website and you can access the installation sheet.  Or email us at sales@sti-usa.com.

**Q: If the door is opened in an emergency do the wires break away and if so can they be placed back?**
A: The STI-6402 goes into alarm after given it's NC simulation.  With the STI-6402 there will be (1) reed on board wired into the RS1 for the second door you will attach the additional reed in the hardware pack into the RS2.  Each door will need to have the extra magnet along side each reed (wired magnet) and when they separate it goes into alarm.   There is no disconnection of wires - visit this link to view it's install https://www.sti-usa.com/wp-content/uploads/6400Install.pdf.  For more information you can reach out to STI tech support, support@sti-usa.com.

## Frequently Bought Together

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*Product available on Desertcart Bolivia*
*Store origin: BO*
*Last updated: 2026-01-25*