---
product_id: 51092191
title: "FIRST ALERT BRK - Photoelectric/Ionization Smoke Alarm"
brand: "first alert brk"
price: "€ 157.74"
currency: EUR
in_stock: true
category: "DIY &amp; Tools"
url: https://www.desertcart.sk/products/51092191-first-alert-brk-photoelectric-ionization-smoke-alarm
store_origin: SK
region: Slovakia
---

# FIRST ALERT BRK - Photoelectric/Ionization Smoke Alarm

**Brand:** first alert brk
**Price:** € 157.74
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** FIRST ALERT BRK - Photoelectric/Ionization Smoke Alarm by first alert brk
- **How much does it cost?** € 157.74 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/51092191-first-alert-brk-photoelectric-ionization-smoke-alarm)

## Best For

- first alert brk enthusiasts

## Why This Product

- Trusted first alert brk brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

120V, Hardwired Photoelectric & Ionization Smoke Alarm, With Battery Back Up, Double Protection For Both Flaming & Smoldering Fires, Dual Photoelectric & Ionization Smoke Sensing Technologies, Includes 2 Latching Features, 1 Alarm Latch Easily Identifies

## Features

- Dual Photoelectric and Ionization sensing technologies for optimal sensing of smoke particles produced in both flaming and smoldering fires.
- Two Latching Features
- Two Silence Features
- Optipath 360 Technology
- 2 AA Batteries Included; 10 Year Limited Warranty

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | FIRST ALERT |
| Style | Hardwired |
| Power Source | Battery Powered |
| Item Weight | 0.73 Pounds |
| Alarm | Visual |
| Sensor Type | Photoelectric |
| Material | Plastic |
| Manufacturer | First Alert |
| Part Number | 3120B |
| Item Weight | 11.7 ounces |
| Product Dimensions | 5 x 5 x 2 inches |
| Item model number | 3120B |
| Batteries | 2 AA batteries required. (included) |
| Is Discontinued By Manufacturer | No |
| Size | Pack of 1 |
| Voltage | 120 Volts |
| Item Package Quantity | 1 |
| Sound Level | 85 dB |
| Included Components | First Alert BRK 3120B Hardwired Smoke Detector with Photoelectric and Ionization with Battery Backup |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Average Battery Life | 4320 Hours |
| Warranty Description | 10 Year Limited Warranty |

## Images

![FIRST ALERT BRK - Photoelectric/Ionization Smoke Alarm - Image 1](https://images-eu.ssl-images-amazon.com/images/I/41DuGRudDaL.jpg)
![FIRST ALERT BRK - Photoelectric/Ionization Smoke Alarm - Image 2](https://images-eu.ssl-images-amazon.com/images/I/51hnmqwyPWL.jpg)

---

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**Shop now:** [https://www.desertcart.sk/products/51092191-first-alert-brk-photoelectric-ionization-smoke-alarm](https://www.desertcart.sk/products/51092191-first-alert-brk-photoelectric-ionization-smoke-alarm)

---

*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-03-04*