---
product_id: 602149046
title: "Smoke Alarm, 10-Year Sealed Battery Detector with Test & Silence Button, SMI110, 1-Pack"
brand: "first alert"
price: "429 kr"
currency: DKK
in_stock: true
url: https://www.desertcart.dk/products/602149046-smoke-alarm-10-year-sealed-battery-detector-with-test-silence
store_origin: DK
region: Denmark
---

# 10-year sealed battery life Precision Detection tech reduces false alarms Test & silence button for instant control Smoke Alarm, 10-Year Sealed Battery Detector with Test & Silence Button, SMI110, 1-Pack

**Brand:** first alert
**Price:** 429 kr
**Availability:** ✅ In Stock

## Summary

> 🔥 Stay safe, stay savvy — 10 years of worry-free smoke detection! 🔋

## Quick Answers

- **What is this?** Smoke Alarm, 10-Year Sealed Battery Detector with Test & Silence Button, SMI110, 1-Pack by first alert
- **How much does it cost?** 429 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/602149046-smoke-alarm-10-year-sealed-battery-detector-with-test-silence)

## 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

- • **End-of-Life Alert:** Stay ahead with a clear end-of-life warning, so you never miss when it’s time to upgrade your safety.
- • **Smart Smoke Sensing:** Advanced Precision Detection technology minimizes false alarms from cooking, keeping your home calm and safe.
- • **Instant Alarm Control:** Test and silence your alarm with a single button—because peace of mind should be simple and quick.
- • **Sleek & Compact Design:** Modern, low-profile white finish fits seamlessly into any home or office environment.
- • **Effortless 10-Year Power:** Say goodbye to battery swaps and annoying chirps with a sealed lithium battery that lasts a decade.

## Overview

The First Alert SMI110 Smoke Alarm features a 10-year sealed lithium battery, advanced Precision Detection technology to reduce false alarms, and a convenient test/silence button. Designed for long-lasting, reliable home fire safety with end-of-life alerts and a sleek, compact design.

## Description

Smoke Alarm, 10-Year Sealed Battery Detector with Test & Silence Button, SMI110, 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.
- 10-Year sealed battery eliminates battery replacements and low battery chirps for the life of the alarm
- End-of-life warning lets you know when it’s time to replace the alarm
- Test/silence button for efficient testing to ensure alarm is working properly

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | First Alert |
| Style | Precision Detection |
| Power Source | Battery Powered |
| Color | White |
| Product Dimensions | 5.6"D x 5.6"W x 2"H |
| Alarm | Smoke |
| Operating Humidity | 10-95% RH |
| Sensor Type | Ionization |
| Number of Items | 1 |
| Manufacturer | Resideo |
| UPC | 029054022929 |
| Part Number | SMI110 |
| Item Weight | 7.8 ounces |
| Item model number | SMI110 |
| Batteries | 1 Product Specific batteries required. (included) |
| Size | One |
| Pattern | SMI110 |
| Item Package Quantity | 1 |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Lithium |

## Product Details

- **Brand:** First Alert
- **Style:** Precision Detection
- **Power Source:** Battery Powered
- **Color:** White
- **Product Dimensions:** 5.6"D x 5.6"W x 2"H
- **Alarm:** Smoke
- **Operating Humidity:** 10-95% RH
- **Sensor Type:** Ionization
- **Number of Items:** 1
- **Manufacturer:** Resideo

## Images

![Smoke Alarm, 10-Year Sealed Battery Detector with Test & Silence Button, SMI110, 1-Pack - Image 1](https://m.media-amazon.com/images/I/71UD83zU2SL.jpg)

## Available Options

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

## Frequently Bought Together

- First Alert Smoke Alarm, 10-Year Sealed Battery Detector with Test & Silence Button, SMI110, 1-Pack
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- Kidde Carbon Monoxide Detector, Plug In Wall with AA Battery Backup, Test-Hush Button

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**Shop now:** [https://www.desertcart.dk/products/602149046-smoke-alarm-10-year-sealed-battery-detector-with-test-silence](https://www.desertcart.dk/products/602149046-smoke-alarm-10-year-sealed-battery-detector-with-test-silence)

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-03-12*