---
product_id: 627381869
title: "Battery Combination Smoke & Carbon Monoxide Alarm | SMCO200, Slim Profile"
brand: "first alert"
price: "359.81 DT"
currency: TND
in_stock: true
reviews_count: 8
category: "First Alert"
url: https://www.desertcart.tn/products/627381869-battery-combination-smoke-and-carbon-monoxide-alarm-smco200-slim-profile
store_origin: TN
region: Tunisia
---

# Slim Profile, Half Depth Battery-Operated, Easy Install 2-in-1 Smoke & CO Protection Battery Combination Smoke & Carbon Monoxide Alarm | SMCO200, Slim Profile

**Brand:** first alert
**Price:** 359.81 DT
**Availability:** ✅ In Stock

## Summary

> 🏠 Stay safe in style — protection that’s slim, smart, and always on guard!

## Quick Answers

- **What is this?** Battery Combination Smoke & Carbon Monoxide Alarm | SMCO200, Slim Profile by first alert
- **How much does it cost?** 359.81 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/627381869-battery-combination-smoke-and-carbon-monoxide-alarm-smco200-slim-profile)

## 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:** Slim profile design is half the depth of standard alarms, blending seamlessly with your ceiling.
- • **Hassle-Free Setup:** Battery-operated with replaceable AAA batteries—no wiring, no fuss, just peace of mind.
- • **Dual Threat Defense:** Combines smoke and carbon monoxide detection for comprehensive home safety.
- • **End-of-Life Reminder:** Smart alert notifies you when it’s time to replace the alarm, so you’re never left unprotected.
- • **Precision Detection Tech:** Advanced sensors reduce false alarms from cooking, ensuring reliable alerts only when it counts.

## 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, making it a discreet yet powerful safety device. Easy to install and maintain with replaceable AAA batteries, it provides reliable 2-in-1 protection and includes an end-of-life warning to ensure continuous home safety.

## 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: Peace of Mind That Doesn’t Scream “I’m Ugly” on the Ceiling - This First Alert combo smoke and carbon monoxide alarm does exactly what it’s supposed to do — protect your home — and does it without being bulky or obnoxious. The slim design is a big win. It sits flush and clean on the ceiling or wall and doesn’t look like a giant plastic UFO hovering over the room. Setup was quick and easy, the battery operation means no wiring headaches, and it feels solid and well-built. Knowing it’s watching for both smoke and carbon monoxide is huge peace of mind, especially at night or when you’re not home. Basically, it’s one of those products you hope never has to prove how well it works — but you’re really glad it’s there just in case. Reliable, simple, and smartly designed. Exactly what a safety device should be.
Review: Easy to install and worth every penny. - These combination detectors are really good and worth every penny. I had one prior to this one same brand and unit but disposable with a built-in battery. I like this one because I can replace the batteries, it uses 2 AAA batteries because it's so thin and will let you know when the batteries are low.

## 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 | #18,573 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #36 in Smoke & Carbon Monoxide Alarms |
| Brand | First Alert |
| Built-In Media | AA Batteries |
| Color | White |
| Customer Reviews | 4.4 out of 5 stars 394 Reviews |
| Global Trade Identification Number | 00029054022196 |
| Item Dimensions D x W x H | 5.67"D x 5.67"W x 1"H |
| Item Type Name | Smoke and CO Alarm |
| Item Weight | 8.64 ounces |
| Manufacturer | Resideo |
| Mfr Part Number | SMCO200 |
| Model Number | SMCO200 |
| Number of Items | 1 |
| Power Source | Battery Powered |
| Product Dimensions | 5.67"D x 5.67"W x 1"H |
| Product Style | Slim Profile with Audible Alert |
| Sensor Type | Ionization |
| Style | Slim Profile with Audible Alert |
| UPC | 029054022196 |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** FIRST ALERT
- **Style:** Slim Profile with Audible Alert
- **Power Source:** Battery Powered
- **Color:** White
- **Product Dimensions:** 5.67"D x 5.67"W x 1"H
- **Item Weight:** 8.64 ounces
- **Alarm:** Smoke and CO Alarm
- **Sensor Type:** Ionization
- **Number of Items:** 1
- **Manufacturer:** Resideo

## Images

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

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Peace of Mind That Doesn’t Scream “I’m Ugly” on the Ceiling
*by C***5 on January 11, 2026*

This First Alert combo smoke and carbon monoxide alarm does exactly what it’s supposed to do — protect your home — and does it without being bulky or obnoxious. The slim design is a big win. It sits flush and clean on the ceiling or wall and doesn’t look like a giant plastic UFO hovering over the room. Setup was quick and easy, the battery operation means no wiring headaches, and it feels solid and well-built. Knowing it’s watching for both smoke and carbon monoxide is huge peace of mind, especially at night or when you’re not home. Basically, it’s one of those products you hope never has to prove how well it works — but you’re really glad it’s there just in case. Reliable, simple, and smartly designed. Exactly what a safety device should be.

### ⭐⭐⭐⭐⭐ Easy to install and worth every penny.
*by T***Y on February 23, 2026*

These combination detectors are really good and worth every penny. I had one prior to this one same brand and unit but disposable with a built-in battery. I like this one because I can replace the batteries, it uses 2 AAA batteries because it's so thin and will let you know when the batteries are low.

### ⭐⭐⭐⭐⭐ No issues.
*by K***K on October 14, 2025*

Solid. I trust it will work as designed!

## 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
- Kidde Carbon Monoxide Detector, Battery Powered CO Alarm with LEDs, Test-Reset Button, Low Battery Indicator, Portable

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-07-28*