---
product_id: 666201732
title: "First Alert SMICO100-AC Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm with Battery Backup, 1-Pack"
brand: "first alert"
price: "£9.81"
currency: GBP
in_stock: false
category: "First Alert"
url: https://www.desertcart.co.uk/products/666201732-first-alert-smico100-ac-interconnect-hardwire-combination-smoke-and-carbon
store_origin: GB
region: United Kingdom
---

# Battery backup power Interconnect alarms Precision Detection tech First Alert SMICO100-AC Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm with Battery Backup, 1-Pack

**Brand:** first alert
**Price:** £9.81
**Availability:** ❌ Out of Stock

## Summary

> 🚨 Stay ahead of danger with smart, connected safety!

## Quick Answers

- **What is this?** First Alert SMICO100-AC Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm with Battery Backup, 1-Pack by first alert
- **How much does it cost?** £9.81 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/666201732-first-alert-smico100-ac-interconnect-hardwire-combination-smoke-and-carbon)

## 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

- • **User-Friendly Testing:** Test/silence button ensures your alarm is always ready without the hassle.
- • **Effortless Installation:** Quick Connect Plug means no rewiring headaches—get protected in minutes.
- • **Reliable Battery Backup:** Continuous protection even during power outages keeps your home safe 24/7.
- • **Seamless Interconnectivity:** When one alarm sounds, all compatible alarms alert you instantly—total home coverage.
- • **Precision Detection Technology:** Cutting-edge sensors reduce false alarms from cooking while delivering early fire and CO warnings.

## Overview

The First Alert SMICO100-AC is a hardwired smoke and carbon monoxide alarm featuring advanced Precision Detection technology to minimize false alarms and provide early warnings. It supports interconnectivity with other compatible alarms for whole-home protection, includes a battery backup for power outage reliability, and offers easy installation with a Quick Connect Plug.

## Description

The SMICO100-AC Interconnect Hardwire 2-in-1 Smoke & CO Alarm with Battery Backup utilizes First Alert's Precision Detection technology and meets new industry standards. Easily install and interconnect multiple alarms together to create an alarm system throughout your home.

## Features

- First Alerts 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
- Through early warning interconnect, when one alarm sounds, all compatible
- Quick Connect Plug allows for easy installation with no need to rewire
- Battery backup provides continuous protection during power outages
- Test/silence button for efficient testing to ensure alarm is working properly
- 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
- Through early warning interconnect, when one alarm sounds, all compatible alarms will sound

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CLVRSC1Q |
| ASIN  | B0CLVRSC1Q |
| Alarm | Smoke, CO |
| Batteries  | 1 9V batteries required. (included) |
| Brand | First Alert |
| Color | White |
| Customer Reviews | 4.4 4.4 out of 5 stars (1,329) |
| Customer reviews | 4.4 4.4 out of 5 stars (1,329) |
| Date First Available  | 8 October 2024 |
| Item Weight | 254 g |
| Item model number  | SMICO100-AC |
| Manufacturer | FIRST ALERT |
| Manufacturer  | FIRST ALERT |
| Mfr Part Number | SMICO100-AC |
| Model Number | SMICO100-AC |
| Number of Items | 1 |
| Power Source | Corded Electric |
| Product Dimensions  | 20.32 x 19.05 x 8.89 cm; 254.01 g |
| Product Style | Smoke, CO |
| Sensor Type | Ionization |
| UPC | 029054022752 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** First Alert
- **Colour:** White
- **Item weight:** 254 g
- **Power source:** Corded Electric
- **Style:** Smoke, CO

## Images

![First Alert SMICO100-AC Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm with Battery Backup, 1-Pack - Image 1](https://m.media-amazon.com/images/I/81fINKkMRSL.jpg)

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.co.uk/products/666201732-first-alert-smico100-ac-interconnect-hardwire-combination-smoke-and-carbon](https://www.desertcart.co.uk/products/666201732-first-alert-smico100-ac-interconnect-hardwire-combination-smoke-and-carbon)

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-11-01*