---
product_id: 642055617
title: "First Alert Combination Smoke & Carbon Monoxide Alarm, Interconnect Hardwire Detector with Battery Backup and Voice & Location Alerts, SMCO100V-AC, 1-Pack"
brand: "first alert"
price: "฿6419"
currency: THB
in_stock: true
url: https://www.desertcart.co.th/products/642055617-first-alert-combination-smoke-and-carbon-monoxide-alarm-interconnect-hardwire
store_origin: TH
region: Thailand
---

# Hardwired with battery backup Voice & location alerts Interconnects multiple alarms First Alert Combination Smoke & Carbon Monoxide Alarm, Interconnect Hardwire Detector with Battery Backup and Voice & Location Alerts, SMCO100V-AC, 1-Pack

**Brand:** first alert
**Price:** ฿6419
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** First Alert Combination Smoke & Carbon Monoxide Alarm, Interconnect Hardwire Detector with Battery Backup and Voice & Location Alerts, SMCO100V-AC, 1-Pack by first alert
- **How much does it cost?** ฿6419 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/642055617-first-alert-combination-smoke-and-carbon-monoxide-alarm-interconnect-hardwire)

## 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

- • **Quick Connect Plug:** Effortless installation with no rewiring needed—upgrade your safety in minutes.
- • **Battery Backup Power:** Continuous protection even during power outages—never lose peace of mind.
- • **Seamless Interconnect:** When one alarm sounds, all compatible alarms respond instantly—total home coverage.
- • **Voice & Location Alerts:** Know exactly what and where the danger is for faster, safer escapes.
- • **Precision Detection Tech:** Reduces false alarms from cooking, so you only get alerts that matter.

## Overview

The First Alert SMCO100V-AC is a hardwired smoke and carbon monoxide alarm featuring advanced Precision Detection technology to minimize false alarms. It offers voice and location alerts for clear, actionable warnings, interconnects with compatible alarms for whole-home safety, and includes a battery backup to ensure continuous operation during power outages. Easy to install with a Quick Connect Plug, it’s a reliable, 10-year limited warranty safety solution.

## Description

Combination Smoke & Carbon Monoxide Alarm, Interconnect Hardwire Detector with Battery Backup and Voice & Location Alerts, SMCO100V-AC, 1-Pack

## 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
- Voice & location alerts tell you what the danger is and its location to help you escape safely
- Through early warning interconnect, when one alarm sounds, all compatible alarms* will sound
- Battery backup provides continuous protection during power outages
- Quick Connect Plug allows for easy installation with no need to rewire

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | FIRST ALERT |
| Style | Precision Detection |
| Power Source | Corded Electric |
| Color | White |
| Product Dimensions | 5.1"D x 5.1"W x 2.4"H |
| Item Weight | 0.7 Pounds |
| Alarm | Smoke and CO Alarm |
| Global Trade Identification Number | 00029054022097 |
| Number of Items | 1 |
| Manufacturer | Resideo |
| UPC | 029054022097 |
| Part Number | 1046778 |
| Item Weight | 11.2 ounces |
| Country of Origin | Mexico |
| Item model number | SMCO100V-AC |
| Size | 1-Pack |
| Item Package Quantity | 1 |
| Included Components | AA Batteries, Easy Adapter Plug |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Alkaline |
| Warranty Description | 10 Years Limited |

## Product Details

- **Brand:** FIRST ALERT
- **Style:** Precision Detection
- **Power Source:** Corded Electric
- **Color:** White
- **Product Dimensions:** 5.1"D x 5.1"W x 2.4"H
- **Item Weight:** 0.7 Pounds
- **Alarm:** Smoke and CO Alarm
- **Global Trade Identification Number:** 00029054022097
- **Number of Items:** 1
- **Manufacturer:** Resideo

## Images

![First Alert Combination Smoke & Carbon Monoxide Alarm, Interconnect Hardwire Detector with Battery Backup and Voice & Location Alerts, SMCO100V-AC, 1-Pack - Image 1](https://m.media-amazon.com/images/I/71xKr76uLdL.jpg)

## Available Options

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

## Frequently Bought Together

- First Alert SMCO100V-AC, Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm with Battery Backup and Voice & Location Alerts, 1-Pack
- First Alert SMCO500V, Interconnect Battery-Operated Combination Smoke & Carbon Monoxide Alarm with Voice Alerts, 1-Pack

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**Shop now:** [https://www.desertcart.co.th/products/642055617-first-alert-combination-smoke-and-carbon-monoxide-alarm-interconnect-hardwire](https://www.desertcart.co.th/products/642055617-first-alert-combination-smoke-and-carbon-monoxide-alarm-interconnect-hardwire)

---

*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-04-28*