---
product_id: 76673582
title: "Universal Security Instruments Hardwired Ionization Smoke and Fire Alarm with Battery Backup, Model MI106"
brand: "universal security instruments"
price: "€ 99.00"
currency: EUR
in_stock: true
url: https://www.desertcart.sk/products/76673582-universal-security-instruments-hardwired-ionization-smoke-and-fire-alarm-battery
store_origin: SK
region: Slovakia
---

# Interconnectable with USI alarms Fast-flaming fire response 10-year limited warranty Universal Security Instruments Hardwired Ionization Smoke and Fire Alarm with Battery Backup, Model MI106

**Brand:** universal security instruments
**Price:** € 99.00
**Availability:** ✅ In Stock

## Summary

> Stay Safe, Stay Smart! 🔒

## Quick Answers

- **What is this?** Universal Security Instruments Hardwired Ionization Smoke and Fire Alarm with Battery Backup, Model MI106 by universal security instruments
- **How much does it cost?** € 99.00 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/76673582-universal-security-instruments-hardwired-ionization-smoke-and-fire-alarm-battery)

## Best For

- universal security instruments enthusiasts

## Why This Product

- Trusted universal security instruments brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Reliable Power:** Includes battery backup for uninterrupted protection.
- • **Swift Detection:** Dual ionization-sensing chamber for rapid response to fires.
- • **Smart Sensitivity:** Ambient condition compensation minimizes false alarms.
- • **Seamless Integration:** Easily connects with existing USI 120V alarms.
- • **User-Friendly Alerts:** Patented Quick Find feature identifies the first alarm.

## Overview

The Universal Security Instruments Hardwired Ionization Smoke and Fire Alarm (Model MI106) is designed for indoor use, featuring a dual ionization-sensing chamber for quick detection of fast-flaming fires. It interconnects seamlessly with other USI alarms, includes a patented Quick Find feature for easy identification of alarm origination, and boasts ambient condition compensation to reduce nuisance alarms. With a 10-year limited warranty and included battery backup, this alarm ensures reliable safety for your home.

## Description

Universal Security Instruments Hardwired Ionization Smoke and Fire Alarm with Battery Backup, Model MI106

## Features

- Dual ionization-sensing chamber responds quickly to fast-flaming fires
- Interconnectable with all USI-brand 120V alarms using existing wiring
- Patented Quick Find alarm origination easily identifies the first alarm to sound in interconnected systems
- Ambient condition compensation adjusts sensitivity based on temperature and humidity, reducing nuisance alarms
- Comes with a ten-year limited warranty

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Universal Security Instruments |
| Style | modern |
| Power Source | Hardwired 120V AC/DC |
| Color | classic white |
| Item Weight | 0.5 Pounds |
| Alarm | Audible |
| Sensor Type | ionization,ionization-sensing |
| Global Trade Identification Number | 00042741001069 |
| Number of Items | 1 |
| Manufacturer | Universal Security Instruments |
| UPC | 042741001069 |
| Part Number | MI106 |
| Item Weight | 8 ounces |
| Product Dimensions | 1.75 x 5.75 x 5.75 inches |
| Item model number | MI106 |
| Batteries | 1 9V batteries required. (included) |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Usage | Indoor use only |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Zinc Carbon |
| Description Pile | 9-Volt Super Heavy Duty |
| Average Battery Life | 8760 Hours |
| Warranty Description | 10 Years |

## Product Details

- **Brand:** Universal Security Instruments
- **Style:** modern
- **Power Source:** Hardwired 120V AC/DC
- **Color:** classic white
- **Item Weight:** 0.5 Pounds
- **Alarm:** Audible
- **Sensor Type:** ionization,ionization-sensing
- **Global Trade Identification Number:** 00042741001069
- **Number of Items:** 1
- **Manufacturer:** Universal Security Instruments

## Images

![Universal Security Instruments Hardwired Ionization Smoke and Fire Alarm with Battery Backup, Model MI106 - Image 1](https://m.media-amazon.com/images/I/51xI486K-nL.jpg)

## Questions & Answers

**Q: Is this a suitable replacement for a USI-7795?**
A: This unit was installed in my bedroom - as long as the plug is the same as your USI-7795 it should be fine.

**Q: Does this replace model 1204?**
A: Unfortunately, there is not a direct replacement for the USI-1204.  Any unit you purchase other than the 1204 unit, you will have to change the wiring and mounting.

**Q: Does this replace model USI-3204?**
A: I cannot remember if the one we replaced had this model number

**Q: Does this replace the USI-5204?**
A: The USI-5304 is the only direct replacement for the USI-5204 that has been discontinued.

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.sk/products/76673582-universal-security-instruments-hardwired-ionization-smoke-and-fire-alarm-battery](https://www.desertcart.sk/products/76673582-universal-security-instruments-hardwired-ionization-smoke-and-fire-alarm-battery)

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-05-18*