---
product_id: 620505391
title: "First Alert SMICO100, Battery-Operated Combination Smoke & Carbon Monoxide Alarm, 1-Pack"
brand: "first alert"
price: "¥14883"
currency: JPY
in_stock: true
reviews_count: 5
category: "First Alert"
url: https://www.desertcart.jp/products/620505391-first-alert-smico100-battery-operated-combination-smoke-and-carbon-monoxide
store_origin: JP
region: Japan
---

# End-of-life alert for timely replacement Battery-powered, hassle-free install 2-in-1 Smoke & CO protection First Alert SMICO100, Battery-Operated Combination Smoke & Carbon Monoxide Alarm, 1-Pack

**Brand:** first alert
**Price:** ¥14883
**Availability:** ✅ In Stock

## Summary

> 🚨 Stay ahead of danger with smart, silent protection.

## Quick Answers

- **What is this?** First Alert SMICO100, Battery-Operated Combination Smoke & Carbon Monoxide Alarm, 1-Pack by first alert
- **How much does it cost?** ¥14883 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/620505391-first-alert-smico100-battery-operated-combination-smoke-and-carbon-monoxide)

## 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

- • **Dual Threat Defense:** Combines smoke and carbon monoxide detection in one sleek device for comprehensive home safety.
- • **Effortless Installation:** Battery-operated design means no wiring—install anywhere, anytime with zero hassle.
- • **Precision Detection Tech:** Advanced sensors reduce false alarms from cooking, so you only get alerts that matter.
- • **Smart End-of-Life Warning:** Never guess when to replace your alarm; get clear alerts when it’s time for an upgrade.
- • **One-Touch Testing & Silence:** Quickly test functionality or silence nuisance alarms with a simple button press.

## Overview

The First Alert SMICO100 is a battery-operated combination smoke and carbon monoxide alarm featuring advanced Precision Detection technology that minimizes false alarms. Designed for easy installation and maintenance, it offers reliable 2-in-1 protection with smart end-of-life alerts and convenient test/silence functionality, ensuring your home stays safe and sound.

## Description

The First Alert SMICO100 Battery-Operated Combination Smoke & Carbon Monoxide Alarm is equipped with First Alert's Precision Detection advanced sensing technology and meets new industry standards. This 2-in-1 smoke and carbon monoxide alarm provides reliable protection against both threats and is easy to install and maintain.

Review: World good!
Review: Great buy

## 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
- Provides reliable 2-in-1 protection against both smoke and carbon monoxide
- End-of-life warning lets you know when it’s time to replace the alarm
- Battery-operated alarm allows for easy installation and maintenance
- Test/silence button for efficient testing to ensure alarm is working properly

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CY3BZCX9 |
| Alarm | Smoke and CO Alarm |
| Brand | First Alert |
| Color | White |
| Colour | White |
| Customer Reviews | 4.5 out of 5 stars 417 Reviews |
| Global Trade Identification Number | 00029054022950 |
| Item Dimensions D x W x H | 14.2D x 14.2W x 5.1H centimeters |
| Item Type Name | Smoke and CO Alarm |
| Item Weight | 299 g |
| Item weight | 299 g |
| Manufacturer | Resideo |
| Model Number | SMICO100 |
| Power Source | Battery Powered |
| Power source | Battery Powered |
| Product Style | Precision Detection |
| Product dimensions | 14.2D x 14.2W x 5.1H centimeters |
| Style | Precision Detection |
| UPC | 029054022950 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** First Alert
- **Colour:** White
- **Power source:** Battery Powered
- **Product dimensions:** 14.2D x 14.2W x 5.1H centimeters
- **Style:** Precision Detection

## Images

![First Alert SMICO100, Battery-Operated Combination Smoke & Carbon Monoxide Alarm, 1-Pack - Image 1](https://m.media-amazon.com/images/I/71TFsqr3EYL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ World good!
*by K***E on 14 January 2026*



### ⭐⭐⭐⭐⭐ Great buy
*by B***7 on 13 January 2026*



### ⭐⭐⭐⭐⭐ Purchased used and happy with choice
*by D***S on 3 January 2026*



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**Shop now:** [https://www.desertcart.jp/products/620505391-first-alert-smico100-battery-operated-combination-smoke-and-carbon-monoxide](https://www.desertcart.jp/products/620505391-first-alert-smico100-battery-operated-combination-smoke-and-carbon-monoxide)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-14*