---
product_id: 680932785
title: "SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 1-Pack"
price: "$69"
currency: NZD
in_stock: true
url: https://www.desertcart.nz/products/680932785-smi100-ac-hardwire-interconnect-smoke-alarm-with-battery-backup-1
store_origin: NZ
region: New Zealand
---

# SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 1-Pack

**Price:** $69
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 1-Pack
- **How much does it cost?** $69 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/680932785-smi100-ac-hardwire-interconnect-smoke-alarm-with-battery-backup-1)

## Best For

- Customers looking for quality international products

## Why This Product

- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 1-Pack

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | First Alert |
| Color | White |
| Item Weight | 9.6 ounces |
| Power Source | Battery Powered |
| Product Dimensions | 5.6"D x 5.6"W x 1"H |
| Style | Precision Detection |

## Product Details

- **Alarm:** Smoke Alarm
- **Brand:** First Alert
- **Color:** White
- **Global Trade Identification Number:** 10029054022469
- **Item Weight:** 0.6 Pounds
- **Number of Items:** 1
- **Power Source:** Battery Powered
- **Product Dimensions:** 5.6"D x 5.6"W x 1"H
- **Sensor Type:** Ionization
- **Style:** Precision Detection

## Images

![SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 1-Pack - Image 1](https://m.media-amazon.com/images/I/61zYUADll+L.jpg)

## Frequently Bought Together

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- First Alert 9120B Smoke Detector, Hardwired Alarm with Battery Backup, 6-Pack

---

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**Shop now:** [https://www.desertcart.nz/products/680932785-smi100-ac-hardwire-interconnect-smoke-alarm-with-battery-backup-1](https://www.desertcart.nz/products/680932785-smi100-ac-hardwire-interconnect-smoke-alarm-with-battery-backup-1)

---

*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-01-23*