---
product_id: 620505390
title: "First Alert Combination Smoke & Carbon Monoxide Alarm, Battery-Operated Detector with Slim Profile Design, SMCO200, 1-Pack"
brand: "first alert"
price: "AR$162028"
currency: ARS
in_stock: true
reviews_count: 5
category: "First Alert"
url: https://www.desertcart.com.ar/products/620505390-first-alert-combination-smoke-and-carbon-monoxide-alarm-battery-operated
store_origin: AR
region: Argentina
---

# Slim Profile, Half Depth Battery-Operated, Easy Install 2-in-1 Smoke & CO Protection First Alert Combination Smoke & Carbon Monoxide Alarm, Battery-Operated Detector with Slim Profile Design, SMCO200, 1-Pack

**Brand:** first alert
**Price:** AR$162028
**Availability:** ✅ In Stock

## Summary

> 🚨 Slim, Smart, and Life-Saving — Safety You Can See and Trust

## Quick Answers

- **What is this?** First Alert Combination Smoke & Carbon Monoxide Alarm, Battery-Operated Detector with Slim Profile Design, SMCO200, 1-Pack by first alert
- **How much does it cost?** AR$162028 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/620505390-first-alert-combination-smoke-and-carbon-monoxide-alarm-battery-operated)

## 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:** Half the depth of standard alarms for a modern, unobtrusive look that fits any space.
- • **End-of-Life Alert:** Smart warning signals when it’s time to replace, so you never compromise on safety.
- • **Dual Threat Defense:** Reliable 2-in-1 smoke and carbon monoxide detection keeps your home safe from invisible dangers.
- • **Power When It Counts:** Battery-operated design ensures protection even during power outages—no wiring needed.
- • **Precision Detection Tech:** Advanced sensors reduce false alarms from cooking, so you only get alerts that matter.

## Overview

The First Alert SMCO200 is a battery-operated combination smoke and carbon monoxide alarm featuring advanced Precision Detection technology. Its slim profile design is half the depth of standard alarms, offering sleek aesthetics without sacrificing safety. This 2-in-1 device reduces nuisance alarms, provides reliable early warnings, and includes an end-of-life alert for timely replacement. Easy to install and maintain, it ensures continuous protection even during power outages.

## Description

Easily install the First Alert SMCO200 Battery-Operated Combination Smoke & Carbon Monoxide Alarm with Slim Profile Design. The alarm is half the depth of a standard alarm and provides reliable 2-in-1 smoke and carbon monoxide protection. Meets new industry standards with First Alert's Precision Detection advanced sensing technology.

Review: Works well, no issues - I've been replacing older smoke detectors around my house, and this First Alert combination smoke and carbon monoxide alarm was an easy upgrade. The slim design looks much nicer than bulky older units, and installation only took a few minutes. I like having both smoke and carbon monoxide protection in one detector, which helps save space and provides extra peace of mind. The battery-operated design means it keeps working even during power outages, and the test button is easy to access. Overall, it's a dependable, well made safety device that's simple to install and gives my family added confidence that our home is protected.
Review: It will save your life if you keep up on batteries - Easy installation fast delivery good product

## 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
- Slim profile design is half the depth of a standard alarm
- End-of-life warning lets you know when it’s time to replace the alarm
- Battery-operated alarm is easy to install and maintain

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CY2ZPPJL |
| Alarm | Smoke and CO Alarm |
| Best Sellers Rank | #126,967 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #35 in Smoke & Carbon Monoxide Alarms |
| Brand | First Alert |
| Built-In Media | AA Batteries |
| Color | White |
| Colour | White |
| Customer Reviews | 4.5 out of 5 stars 446 Reviews |
| Global Trade Identification Number | 00029054022196 |
| Item Dimensions D x W x H | 14.4D x 14.4W x 2.5H centimeters |
| Item Type Name | Smoke and CO Alarm |
| Manufacturer | Resideo |
| Mfr Part Number | SMCO200 |
| Model Number | SMCO200 |
| Number of Items | 1 |
| Power Source | Battery Powered |
| Power source | Battery Powered |
| Product Style | Slim Profile with Audible Alert |
| Product dimensions | 14.4D x 14.4W x 2.5H centimeters |
| Sensor Type | Ionization |
| Style | Slim Profile with Audible Alert |
| UPC | 029054022196 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** First Alert
- **Colour:** White
- **Power source:** Battery Powered
- **Product dimensions:** 14.4D x 14.4W x 2.5H centimeters
- **Style:** Slim Profile with Audible Alert

## Images

![First Alert Combination Smoke & Carbon Monoxide Alarm, Battery-Operated Detector with Slim Profile Design, SMCO200, 1-Pack - Image 1](https://m.media-amazon.com/images/I/6133EaBjygL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works well, no issues
*by N***N on 27 June 2026*

I've been replacing older smoke detectors around my house, and this First Alert combination smoke and carbon monoxide alarm was an easy upgrade. The slim design looks much nicer than bulky older units, and installation only took a few minutes. I like having both smoke and carbon monoxide protection in one detector, which helps save space and provides extra peace of mind. The battery-operated design means it keeps working even during power outages, and the test button is easy to access. Overall, it's a dependable, well made safety device that's simple to install and gives my family added confidence that our home is protected.

### ⭐⭐⭐⭐⭐ It will save your life if you keep up on batteries
*by C***N on 5 September 2026*

Easy installation fast delivery good product

### ⭐⭐⭐⭐⭐ Great!
*by A***R on 11 July 2026*

Works exactly what we need it for.

## Frequently Bought Together

- First Alert SMCO200, Battery-Operated Combination Smoke & Carbon Monoxide Alarm with Slim Profile Design, 1-Pack
- First Alert SMI100, Battery-Operated Smoke Alarm, 2-Pack
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**Shop now:** [https://www.desertcart.com.ar/products/620505390-first-alert-combination-smoke-and-carbon-monoxide-alarm-battery-operated](https://www.desertcart.com.ar/products/620505390-first-alert-combination-smoke-and-carbon-monoxide-alarm-battery-operated)

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*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-10-16*