---
product_id: 87176935
title: "BRK First Alert 9120B 120-Volt Wire-In With Battery Backup Smoke Alarm"
brand: "brk"
price: "NT$7683"
currency: TWD
in_stock: true
category: "Hi"
url: https://www.desertcart.tw/products/87176935-brk-first-alert-9120b-120-volt-wire-in-with-battery
store_origin: TW
region: Taiwan
---

# BRK First Alert 9120B 120-Volt Wire-In With Battery Backup Smoke Alarm

**Brand:** brk
**Price:** NT$7683
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** BRK First Alert 9120B 120-Volt Wire-In With Battery Backup Smoke Alarm by brk
- **How much does it cost?** NT$7683 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/87176935-brk-first-alert-9120b-120-volt-wire-in-with-battery)

## Best For

- brk enthusiasts

## Why This Product

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

## Description

The 120V AC Smoke Alarm with Battery Backup is designed to install faster; perform better; and be even smarter than before. Ionization sensor. These improvements help reduce nuisance alarms and save you time and money. Uses 9V batteryfor Battery Back up.

## Features

- 120V AC with battery backup
- Side load battery drawer
- Tamper resistant locking pins - Universal mounting bracket
- Test/silence button
- Latching alarm indication
- ›See more product details

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**Shop now:** [https://www.desertcart.tw/products/87176935-brk-first-alert-9120b-120-volt-wire-in-with-battery](https://www.desertcart.tw/products/87176935-brk-first-alert-9120b-120-volt-wire-in-with-battery)

---

*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-10-22*