---
product_id: 95039163
title: "First Alert 1039734 Fat Plug-in Carbon Monoxide Alarm with Battery Backup, 8.50\" x 6.75\" x 2.25\""
brand: "first alert"
price: "€ 62.51"
currency: EUR
in_stock: true
url: https://www.desertcart.nl/products/95039163-first-alert-1039734-fat-plug-in-carbon-monoxide-alarm-battery
store_origin: NL
region: Netherlands
---

# 85Db Alarm Battery Backup Electrochemical Sensor First Alert 1039734 Fat Plug-in Carbon Monoxide Alarm with Battery Backup, 8.50" x 6.75" x 2.25"

**Brand:** first alert
**Price:** € 62.51
**Availability:** ✅ In Stock

## Summary

> 🔒 Breathe Easy with First Alert - Your Safety, Our Priority!

## Quick Answers

- **What is this?** First Alert 1039734 Fat Plug-in Carbon Monoxide Alarm with Battery Backup, 8.50" x 6.75" x 2.25" by first alert
- **How much does it cost?** € 62.51 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/95039163-first-alert-1039734-fat-plug-in-carbon-monoxide-alarm-battery)

## 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

- • **Loud and Clear!:** 85Db alarm guarantees you won't miss a warning.
- • **Trusted Protection!:** 7-year warranty for peace of mind.
- • **Stay Alert, Stay Safe!:** Real-time alerts for dangerous CO levels.
- • **Simplicity at Its Best!:** Single test/silence button for effortless operation.
- • **Power Outage? No Problem!:** Battery backup ensures continuous monitoring.

## Overview

The FIRST ALERT 1039734 Fat Plug-in Carbon Monoxide Alarm is a reliable safety device designed to detect dangerous carbon monoxide levels. Featuring advanced electrochemical sensor technology, it provides real-time alerts with a loud 85Db alarm. The unit includes a battery backup for uninterrupted monitoring during power outages and a user-friendly test/silence button. With a compact design and a 7-year warranty, this alarm is a must-have for any safety-conscious home.

## Description

First Alert 1039734 Fat Plug-in Carbon Monoxide Alarm with Battery Backup, 8.50" x 6.75" x 2.25"

## Features

- Alerts to dangerous Carbon monoxide levels
- Most accurate electrochemical carbon monoxide sensor technology
- Battery backup allows for continuous monitoring during power outages
- Loud 85Db alarm sounds when Carbon monoxide levels are elevated
- Single test/silence button for simple operation

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | FIRST ALERT |
| Power Source | Plugin |
| Item Weight | 0.5 Pounds |
| Sensor Type | Electrochemical |
| Global Trade Identification Number | 00029054018403 |
| Number of Items | 1 |
| Manufacturer | First Alert |
| UPC | 029054018403 |
| Part Number | 1039734 |
| Item Weight | 8 ounces |
| Product Dimensions | 7 x 2.5 x 8.5 inches |
| Item model number | FAT1039734 |
| Batteries | 1 9V batteries required. (included) |
| Size | 8.50" x 6.75" x 2.25" |
| Item Package Quantity | 1 |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Alkaline |
| Description Pile | 9V |
| Warranty Description | 7 years |

## Product Details

- **Brand:** FIRST ALERT
- **Power Source:** Plugin
- **Item Weight:** 0.5 Pounds
- **Sensor Type:** Electrochemical
- **Global Trade Identification Number:** 00029054018403
- **Number of Items:** 1
- **Manufacturer:** First Alert
- **UPC:** 029054018403

## Images

![First Alert 1039734 Fat Plug-in Carbon Monoxide Alarm with Battery Backup, 8.50" x 6.75" x 2.25" - Image 1](https://m.media-amazon.com/images/I/41X1nlySHzL.jpg)
![First Alert 1039734 Fat Plug-in Carbon Monoxide Alarm with Battery Backup, 8.50" x 6.75" x 2.25" - Image 2](https://m.media-amazon.com/images/I/31b9n07govL.jpg)
![First Alert 1039734 Fat Plug-in Carbon Monoxide Alarm with Battery Backup, 8.50" x 6.75" x 2.25" - Image 3](https://m.media-amazon.com/images/I/41GTZPUQk3L.jpg)
![First Alert 1039734 Fat Plug-in Carbon Monoxide Alarm with Battery Backup, 8.50" x 6.75" x 2.25" - Image 4](https://m.media-amazon.com/images/I/51s6hwkdZuL.jpg)
![First Alert 1039734 Fat Plug-in Carbon Monoxide Alarm with Battery Backup, 8.50" x 6.75" x 2.25" - Image 5](https://m.media-amazon.com/images/I/513QLS+ARpL.jpg)

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.nl/products/95039163-first-alert-1039734-fat-plug-in-carbon-monoxide-alarm-battery](https://www.desertcart.nl/products/95039163-first-alert-1039734-fat-plug-in-carbon-monoxide-alarm-battery)

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-02-19*