---
product_id: 603744197
title: "SMICO105-AC, Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm with 10-Year Battery Backup, 3-Pack"
brand: "first alert"
price: "€ 314.93"
currency: EUR
in_stock: true
url: https://www.desertcart.nl/products/603744197-smico105-ac-interconnect-hardwire-combination-smoke-and-carbon-monoxide-alarm
store_origin: NL
region: Netherlands
---

# 10-Year Battery Backup Interconnect Early Warning Precision Detection tech SMICO105-AC, Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm with 10-Year Battery Backup, 3-Pack

**Brand:** first alert
**Price:** € 314.93
**Availability:** ✅ In Stock

## Summary

> 🚨 Stay ahead of danger with seamless, smart protection!

## Quick Answers

- **What is this?** SMICO105-AC, Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm with 10-Year Battery Backup, 3-Pack by first alert
- **How much does it cost?** € 314.93 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/603744197-smico105-ac-interconnect-hardwire-combination-smoke-and-carbon-monoxide-alarm)

## 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

- • **Visual Alarm ID:** Easily spot which unit triggered the alert with a clear visual indicator.
- • **Hassle-Free Setup:** Quick Connect Plug means no rewiring—install in minutes, stress-free.
- • **Smart Interconnect:** When one alarm sounds, all compatible alarms alert instantly—whole-home peace of mind.
- • **Dual Threat Defense:** Smoke + CO detection in one sleek unit for total home safety.
- • **10-Year Power Assurance:** Long-lasting lithium battery backup keeps you protected even during outages.

## Overview

The First Alert SMICO105-AC is a 3-pack of hardwired combination smoke and carbon monoxide alarms featuring advanced Precision Detection technology to reduce false alarms. It includes a 10-year lithium battery backup for continuous protection during power outages and supports interconnectivity with other compatible alarms for whole-home early warning. Easy to install with a Quick Connect Plug and equipped with a visual alarm indicator, it’s designed to keep your home safe with minimal hassle.

## Description

SMICO105-AC, Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm with 10-Year Battery Backup, 3-Pack

## 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
- 10-Year battery backup provides continuous protection during power outages
- Through early warning interconnect, when one alarm sounds, all compatible
- Quick Connect Plug allows for easy installation with no need to rewire
- Alarm indicator visually identifies the unit that initiated the alarm

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | First Alert |
| Style | Smoke, CO |
| Power Source | Corded Electric |
| Color | White |
| Product Dimensions | 2.25"D x 5.69"W x 5.69"H |
| Item Weight | 10.56 ounces |
| Alarm | Audible |
| Sensor Type | Ionization |
| Number of Items | 3 |
| Manufacturer | Resideo |
| UPC | 029054022875 |
| Part Number | SMICO105-AC |
| Item Weight | 10.6 ounces |
| Item model number | SMICO105-AC |
| Batteries | 1 9V batteries required. (included) |
| Size | 3-Pack |
| Item Package Quantity | 1 |
| Included Components | Easy Adapter Plug |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Lithium |

## Product Details

- **Brand:** First Alert
- **Style:** Smoke, CO
- **Power Source:** Corded Electric
- **Color:** White
- **Product Dimensions:** 2.25"D x 5.69"W x 5.69"H
- **Item Weight:** 10.56 ounces
- **Alarm:** Audible
- **Sensor Type:** Ionization
- **Number of Items:** 3
- **Manufacturer:** Resideo

## Images

![SMICO105-AC, Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm with 10-Year Battery Backup, 3-Pack - Image 1](https://m.media-amazon.com/images/I/715u0TY1WBL.jpg)

## Available Options

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

## Frequently Bought Together

- First Alert SMICO105-AC, Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm with 10-Year Battery Backup, 3-Pack
- First Alert SMI105-AC, Interconnect Hardwire Smoke Alarm with 10-Year Battery Backup, 1-Pack
- First Alert SMICO100-AC Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm with Battery Backup, 1-Pack

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.nl/products/603744197-smico105-ac-interconnect-hardwire-combination-smoke-and-carbon-monoxide-alarm](https://www.desertcart.nl/products/603744197-smico105-ac-interconnect-hardwire-combination-smoke-and-carbon-monoxide-alarm)

---

*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-01-24*