---
product_id: 603106939
title: "First Alert 10-Year Battery Combination Smoke & Carbon Monoxide Alarm"
brand: "first alert"
price: "€ 91.73"
currency: EUR
in_stock: true
category: "First Alert"
url: https://www.desertcart.com.cy/products/603106939-first-alert-10-year-battery-combination-smoke-and-carbon-monoxide
store_origin: CY
region: Cyprus
---

# Slim profile design, half the depth of standard alarms 10-year sealed battery life Precision Detection tech reduces false alarms First Alert 10-Year Battery Combination Smoke & Carbon Monoxide Alarm

**Brand:** first alert
**Price:** € 91.73
**Availability:** ✅ In Stock

## Summary

> 🔒 Protect smarter, live safer — 10 years of worry-free security!

## Quick Answers

- **What is this?** First Alert 10-Year Battery Combination Smoke & Carbon Monoxide Alarm by first alert
- **How much does it cost?** € 91.73 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/603106939-first-alert-10-year-battery-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

- • **Sleek & Subtle:** Modern slim profile fits discreetly on your ceiling or wall without disrupting your home’s aesthetic.
- • **End-of-Life Alert:** Stay ahead with timely notifications when it’s time to upgrade your safety device.
- • **Dual Threat Defense:** Integrated smoke and carbon monoxide detection in one sleek, easy-to-install unit.
- • **Decade-Long Peace of Mind:** Forget battery changes with a 10-year sealed power source that keeps you protected effortlessly.
- • **Smart Sensing, Less Nuisance:** Advanced Precision Detection technology minimizes false alarms, so your nights stay uninterrupted.

## Overview

The First Alert SMCO210 is a combination smoke and carbon monoxide alarm featuring advanced Precision Detection technology to reduce false alarms. It boasts a 10-year sealed battery eliminating the hassle of replacements and low battery chirps. Its slim profile design is half the depth of standard alarms, offering discreet yet reliable 2-in-1 protection with an end-of-life warning to ensure continuous home safety.

## Description

The First Alert SMCO210 10-Year Sealed Battery Combination Smoke & Carbon Monoxide Alarm with Slim Profile Design uses First Alert's Precision Detection advanced sensing technology and meets new industry standards. This 2-in-1 alarm provides convenient protection against both fire and carbon monoxide (CO). Also equipped with a 10-year sealed battery to eliminate the need for battery replacements and low battery chirps.

## 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 in an easy to install alarm
- 10-Year sealed battery eliminates battery replacements and low battery chirps for the life of the alarm
- End-of-life warning lets you know when it’s time to replace the alarm
- Slim profile design is half the depth of a standard alarm

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CJMMVST2 |
| Alarm | Combination Alarm |
| Best Sellers Rank | #1,304 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #9 in Smoke & Carbon Monoxide Alarms |
| Brand | First Alert |
| Color | White |
| Customer Reviews | 3.7 out of 5 stars 1,771 Reviews |
| Enclosure Material | Plastic |
| Item Dimensions D x W x H | 5.67"D x 5.67"W x 1"H |
| Item Highlight | SMCO210 Slim Profile Design, Sealed Battery |
| Item Type Name | Combination Alarm |
| Item Weight | 6.56 ounces |
| Manufacturer | Resideo |
| Manufacturer Warranty Description | Warranty |
| Mfr Part Number | SMCO210 |
| Model Number | SMCO210 |
| Number of Items | 1 |
| Operating Humidity | 10-95% RH |
| Power Source | Battery Powered |
| Product Dimensions | 5.67"D x 5.67"W x 1"H |
| Product Style | Precision Detection |
| Sensor Type | Photoelectric |
| Style | Precision Detection |
| UPC | 029054022233 |
| Unit Count | 1 Count |

## Product Details

- **Alarm:** Combination Alarm
- **Brand:** First Alert
- **Color:** White
- **Item Weight:** 6.56 ounces
- **Material:** Plastic
- **Operating Humidity:** 10-95% RH
- **Power Source:** Battery Powered
- **Product Dimensions:** 5.67"D x 5.67"W x 1"H
- **Sensor Type:** Photoelectric
- **Style:** Precision Detection

## Images

![First Alert 10-Year Battery Combination Smoke & Carbon Monoxide Alarm - Image 1](https://m.media-amazon.com/images/I/6133EaBjygL.jpg)

## Available Options

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

## Frequently Bought Together

- First Alert SMCO210, 10-Year Sealed Battery Combination Smoke & Carbon Monoxide Alarm with Slim Profile Design, 1-Pack
- First Alert SM210, 10-Year Sealed Battery Smoke Alarm with Slim Profile Design, 1-Pack
- First Alert Smoke Alarm, Battery-Operated Detector with Test & Silence Button, SMI100, 1-Pack

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**Shop now:** [https://www.desertcart.com.cy/products/603106939-first-alert-10-year-battery-combination-smoke-and-carbon-monoxide](https://www.desertcart.com.cy/products/603106939-first-alert-10-year-battery-combination-smoke-and-carbon-monoxide)

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*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-10-07*