---
product_id: 602345752
title: "First Alert Battery Smoke Alarm"
brand: "first alert"
price: "¥12458"
currency: JPY
in_stock: true
category: "First Alert"
url: https://www.desertcart.jp/products/602345752-first-alert-battery-smoke-alarm
store_origin: JP
region: Japan
---

# Battery-operated for power outage reliability Front-access battery compartment for easy replacement Precision Detection tech reduces false alarms First Alert Battery Smoke Alarm

**Brand:** first alert
**Price:** ¥12458
**Availability:** ✅ In Stock

## Summary

> 🚨 Stay safe, stay smart—because your peace of mind can’t wait!

## Quick Answers

- **What is this?** First Alert Battery Smoke Alarm by first alert
- **How much does it cost?** ¥12458 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/602345752-first-alert-battery-smoke-alarm)

## 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

## Key Features

- • **End-of-Life Warning:** Stay ahead of safety with timely alerts when it’s time to replace your alarm.
- • **User-Friendly Battery Access:** Front battery compartment lets you swap batteries in seconds—no ladder gymnastics required.
- • **Precision Detection Technology:** Advanced sensors minimize nuisance alarms from cooking, so you only get alerts that matter.
- • **Trusted Loud Alarm & Test Button:** Loud enough to wake the whole household, with an easy test/silence button for peace of mind.
- • **Effortless Installation & Maintenance:** Battery-powered design means no wiring hassle and quick setup.

## Overview

The First Alert SMI100 Battery Smoke Alarm features advanced Precision Detection technology that reduces false alarms, a battery-powered design for easy installation and reliable operation during power outages, and a front-access battery compartment for hassle-free replacements. It includes an end-of-life warning and a test/silence button, making it a trusted, user-friendly choice for modern home safety.

## 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.

## Features

- First Alert's Precision Detection advanced sensing technology complies with new industry standards to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency
- Battery-operated alarm allows for easy installation and maintenance
- Front access battery compartment makes for easy battery replacements
- End-of-life warning lets you know when it’s time to replace the alarm
- Test/silence button for efficient testing to ensure alarm is working properly

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CJLN45JZ |
| Alarm | Smoke |
| Best Sellers Rank | #54 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1 in Smoke Detectors & Fire Alarms |
| Brand | First Alert |
| Built-In Media | 9V Alkaline Battery |
| Color | White |
| Customer Reviews | 4.6 4.6 out of 5 stars (5,891) |
| Item Dimensions D x W x H | 5.6"D x 5.6"W x 1.9"H |
| Item Highlight | SMI100 |
| Item Type Name | Smoke Alarm |
| Item Weight | 9.6 ounces |
| Manufacturer | Resideo |
| Mfr Part Number | SMI100 |
| Model Number | SMI100 |
| Number of Items | 2 |
| Power Source | Battery Powered |
| Product Style | Precision Detection |
| Sensor Type | Ionization |
| UPC | 029054022400 |
| Unit Count | 2 Count |

## Product Details

- **Alarm:** Smoke
- **Brand:** First Alert
- **Color:** White
- **Item Weight:** 9.6 ounces
- **Number of Items:** 2
- **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 Battery Smoke Alarm - Image 1](https://m.media-amazon.com/images/I/61G4T1kDyUL.jpg)

## Available Options

This product comes in different **Pattern, Size, Style** options.

## 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.jp/products/602345752-first-alert-battery-smoke-alarm](https://www.desertcart.jp/products/602345752-first-alert-battery-smoke-alarm)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-10-09*