---
product_id: 601145811
title: "SMICO100 Battery-Operated Combination Smoke & Carbon Monoxide Alarm - Pack 3"
brand: "first alert"
price: "₨122723"
currency: LKR
in_stock: true
url: https://www.desertcart.lk/products/601145811-smico100-battery-operated-combination-smoke-and-carbon-monoxide-alarm-pack
store_origin: LK
region: Sri Lanka
---

# End-of-life replacement alert Battery-powered for easy install 2-in-1 Smoke & CO detection SMICO100 Battery-Operated Combination Smoke & Carbon Monoxide Alarm - Pack 3

**Brand:** first alert
**Price:** ₨122723
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** SMICO100 Battery-Operated Combination Smoke & Carbon Monoxide Alarm - Pack 3 by first alert
- **How much does it cost?** ₨122723 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/601145811-smico100-battery-operated-combination-smoke-and-carbon-monoxide-alarm-pack)

## 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

- • **Dual Threat Defense:** Combines smoke and carbon monoxide detection in one sleek device for comprehensive home safety.
- • **Hassle-Free Installation:** Battery-operated design means no wiring—install anywhere, anytime with zero fuss.
- • **One-Touch Test & Silence:** Easily test functionality or silence nuisance alarms with a simple button press, keeping peace of mind at your fingertips.
- • **Precision Detection Tech:** Advanced sensors reduce false alarms from cooking, so you only get alerts that matter.
- • **Smart End-of-Life Warning:** Know exactly when it’s time to replace your alarm, ensuring continuous protection without guesswork.

## Overview

The First Alert SMICO100 is a battery-operated combination smoke and carbon monoxide alarm featuring advanced Precision Detection technology to minimize false alarms. It offers reliable 2-in-1 protection, easy installation with included 9V battery, and smart end-of-life alerts to keep your home safe and your mind at ease.

## Description

SMICO100 Battery-Operated Combination Smoke & Carbon Monoxide Alarm - Pack 3

## 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
- End-of-life warning lets you know when it’s time to replace the alarm
- Battery-operated alarm allows for easy installation and maintenance
- Test/silence button for efficient testing to ensure alarm is working properly

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Resideo |
| Part number | SMICO100 |
| Item Weight | 676 g |
| Product Dimensions | 54.61 x 19.05 x 8.89 cm; 675.85 g |
| Batteries | 1 9V batteries required. (included) |
| Item model number | SMICO100 |
| Size | Three |
| Color | White |
| Style | Smoke, CO |
| Pattern | 2nd Generation |
| Power source type | Battery Powered |
| Item Package Quantity | 1 |
| Included components | 9V Alkaline Battery |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Alkaline |

## Product Details

- **Brand:** First Alert
- **Style:** Smoke, CO
- **Power source:** Battery Powered
- **Colour:** White
- **Item weight:** 676 g

## Images

![SMICO100 Battery-Operated Combination Smoke & Carbon Monoxide Alarm - Pack 3 - Image 1](https://m.media-amazon.com/images/I/71YBfzZt30L.jpg)
![SMICO100 Battery-Operated Combination Smoke & Carbon Monoxide Alarm - Pack 3 - Image 2](https://m.media-amazon.com/images/I/81rwDHOXUQL.jpg)
![SMICO100 Battery-Operated Combination Smoke & Carbon Monoxide Alarm - Pack 3 - Image 3](https://m.media-amazon.com/images/I/81huX7wAUmL.jpg)
![SMICO100 Battery-Operated Combination Smoke & Carbon Monoxide Alarm - Pack 3 - Image 4](https://m.media-amazon.com/images/I/61-hLBztIYL.jpg)
![SMICO100 Battery-Operated Combination Smoke & Carbon Monoxide Alarm - Pack 3 - Image 5](https://m.media-amazon.com/images/I/71D57xvrb1L.jpg)

## Available Options

This product comes in different **Pattern Name, Size** options.

## Frequently Bought Together

- First Alert SMICO100 Battery-Operated Combination Smoke & Carbon Monoxide Alarm - Pack 3
- Amazon Basics 8-Pack 9V Alkaline Batteries, 5-Year Shelf Life - for Smoke/CO Detector, Electronics & Audio
- First Alert SMI100, Battery-Operated Smoke Alarm, 1-Pack

---

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**Shop now:** [https://www.desertcart.lk/products/601145811-smico100-battery-operated-combination-smoke-and-carbon-monoxide-alarm-pack](https://www.desertcart.lk/products/601145811-smico100-battery-operated-combination-smoke-and-carbon-monoxide-alarm-pack)

---

*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-01-29*