---
product_id: 618661468
title: "First Alert SMI100, Battery-Operated Smoke Alarm, 2-Pack"
brand: "first alert"
price: "AR$185938"
currency: ARS
in_stock: true
reviews_count: 5
category: "First Alert"
url: https://www.desertcart.com.ar/products/618661468-first-alert-smi100-battery-operated-smoke-alarm-2-pack
store_origin: AR
region: Argentina
---

# First Alert SMI100, Battery-Operated Smoke Alarm, 2-Pack

**Brand:** first alert
**Price:** AR$185938
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** First Alert SMI100, Battery-Operated Smoke Alarm, 2-Pack by first alert
- **How much does it cost?** AR$185938 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/618661468-first-alert-smi100-battery-operated-smoke-alarm-2-pack)

## Best For

- first alert enthusiasts

## Why This Product

- Trusted first alert brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

The First Alert SMI100 Battery-Operated Smoke Alarm is equipped with First Alert's Precision Detection advanced sensing technology and meets new industry standards. This battery-operated smoke alarm is easy to install and the front access battery compartment makes for easy battery replacements.

Review: One out of six defective - Ordered two 3 packs. One would not stop beeping, defective.
Review: Great product! Great price. - Easy to install. Got these to replace my old ones that had failed. Noise is loud and easy to hear when they go off. Fits perfectly on most mounts and if not they come with one.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CJLN45JZ |
| Alarm | Smoke |
| Best Sellers Rank | #26,633 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #31 in Smoke Alarms |
| Brand | First Alert |
| Built-In Media | 9V Alkaline Battery |
| Color | White |
| Colour | White |
| Customer Reviews | 4.5 out of 5 stars 6,099 Reviews |
| Global Trade Identification Number | 10029054022407 |
| Item Dimensions D x W x H | 14.2D x 14.2W x 4.8H centimeters |
| Item Highlight | SMI100, 2-Pack |
| Item Type Name | Smoke Alarm |
| Item Weight | 0.6 Pounds |
| Manufacturer | First Alert |
| Mfr Part Number | SMI100 |
| Model Number | SMI100 |
| Number of Items | 2 |
| Power Source | Battery Powered |
| Power source | Battery Powered |
| Product Style | Smoke |
| Product dimensions | 14.2D x 14.2W x 4.8H centimeters |
| Sensor Type | Ionization |
| Style | Smoke |
| UPC | 029054022400 |
| Unit Count | 2 Count |

## Product Details

- **Alarm:** Smoke
- **Brand:** First Alert
- **Color:** White
- **Global Trade Identification Number:** 10029054022407
- **Item Weight:** 9.6 ounces
- **Power Source:** Battery Powered
- **Product Dimensions:** 5.6"D x 5.6"W x 1.9"H
- **Sensor Type:** Ionization
- **Style:** Precision Detection
- **Unit Count:** 2 Count

## Images

![First Alert SMI100, Battery-Operated Smoke Alarm, 2-Pack - Image 1](https://m.media-amazon.com/images/I/61G4T1kDyUL.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐ One out of six defective
*by N***D on 30 June 2026*

Ordered two 3 packs. One would not stop beeping, defective.

### ⭐⭐⭐⭐⭐ Great product! Great price.
*by S***N on 23 October 2026*

Easy to install. Got these to replace my old ones that had failed. Noise is loud and easy to hear when they go off. Fits perfectly on most mounts and if not they come with one.

### ⭐⭐⭐⭐⭐ Affordable and Easy to Install
*by T***S on 5 October 2026*

This First Alert smoke alarm is a great basic option if you want something affordable and straightforward. Installation was quick and easy, and we had it up and working without any hassle. It feels like a good choice for adding or replacing a smoke alarm without spending a lot. Simple, practical, and does exactly what we needed.

## Frequently Bought Together

- First Alert SMI100, Battery-Operated Smoke Alarm, 2-Pack
- Kidde Carbon Monoxide Detector, Battery Powered CO Alarm with LEDs, Test-Reset Button, Low Battery Indicator, Portable
- Amazon Basics 8-Pack 9V Alkaline Batteries, 5-Year Shelf Life - for Smoke/CO Detector, Electronics & Audio

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**Shop now:** [https://www.desertcart.com.ar/products/618661468-first-alert-smi100-battery-operated-smoke-alarm-2-pack](https://www.desertcart.com.ar/products/618661468-first-alert-smi100-battery-operated-smoke-alarm-2-pack)

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*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-11-01*