---
product_id: 55595928
title: "Ei 105X-104 m Wireless Smoke Alarm Photoelectric Smoke DetectorInterconnect"
brand: "ei electronics"
price: "A$7"
currency: AUD
in_stock: false
url: https://www.desertcart.com.au/products/55595928-ei-105x-104-m-wireless-smoke-alarm-photoelectric-smoke-detectorinterconnect
store_origin: AU
region: Australia
---

# 433 MHz wireless frequency 85dB loud built-in siren Connect up to 12 units Ei 105X-104 m Wireless Smoke Alarm Photoelectric Smoke DetectorInterconnect

**Brand:** ei electronics
**Price:** A$7
**Availability:** ❌ Out of Stock

## Summary

> 🔥 Stay ahead of danger with smart, connected smoke detection 📶

## Quick Answers

- **What is this?** Ei 105X-104 m Wireless Smoke Alarm Photoelectric Smoke DetectorInterconnect by ei electronics
- **How much does it cost?** A$7 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/55595928-ei-105x-104-m-wireless-smoke-alarm-photoelectric-smoke-detectorinterconnect)

## Best For

- ei electronics enthusiasts

## Why This Product

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

## Key Features

- • **Loud & Clear Alerts:** Built-in siren delivers a piercing 85dB alarm at 3 meters, cutting through noise to keep you safe.
- • **Robust Wireless Communication:** Operates on a secure 433 MHz frequency with permanent radio link checks to the control center.
- • **Advanced Photoelectric Detection:** Rapidly senses smouldering fires with optical sensing technology for early, reliable alerts.
- • **Seamless Multi-Unit Connectivity:** Interconnect up to 12 alarms for full-premises coverage, ensuring no corner is left unprotected.
- • **User-Friendly Self-Test & Display:** LED function display and test button provide instant status checks and peace of mind.

## Overview

The Ei 105X-104 is a cutting-edge wireless photoelectric smoke alarm designed for professional-grade safety. It supports interconnection of up to 12 units via cable, operates on a reliable 433 MHz frequency, and features a powerful 85dB built-in siren. Certified to N57-7 standards, it offers rapid detection of smouldering fires with optical sensing technology, self-testing capabilities, and clear LED status indicators—making it an essential upgrade for modern, safety-conscious homes and offices.

## Description

Ei 105X-104 Wireless Smoke Alarm, photoelectric smoke detector - up to 12 pieces can be connected with a cableProduct features: Photoelectric smoke detector N57-7 tested. Permanent function check of the radio links to the control centre. Built-in siren LED function display 0 to + 60 °C 9 V alkaline battery. Transmission frequency: 433 MHz. Dimensions: 65 x 30 x 16 mm. Product Description: The EI105R is an optical smoke alarm that is designed to operate with suitable 12 volt control panels and to provide a loud local alarm.Optical smoke alarms use the light scatter principle to detect smoke particles entering the optical chamber within the alarm. Optical Sensing Technology gives a rapid response to visible smouldering fires. The EI105R is easily installed and comes supplied with all necessary screw fixings.Relay contacts (normally open and closed supplied) are available for triggering the panel itself and its associated ancillary products, such as extra loud sirens, magnetic door holders, etc. The alarm can be interconnected so that when one alarm senses fire, all the units located throughout the premises sound.Operation: The smoke detector will activate the built in sounder upon sensing smoke particles. The smoke detector will automatically reset itself and silence the sounder when smoke particles are no longer present in the sensing chamber. The built in sounder will provide a minimum sound output of 85dB at 3m In "Test" button will perform a self test and sound the horn (it may take up to 10 seconds). Interconnect up to 12 other alarms (9V ionisation, optical or heat) when one senses smoke, all alarm. Helps ensure warning will be heard throughout the house-

## Features

- Up to 12 pieces with cable can be connected
- Batteries not included
- N57-7 certified
- Built-in siren and LED function display
- Transmission frequency:433 MHz.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01F5EJ538 |
| Batteries Required? | No |
| Batteries included? | No |
| Date First Available | 2 Jun. 2016 |
| Manufacturer | Ei Electronics |
| Manufacturer reference | 105x-104 |
| Part Number | 105x-104 |
| Power Source | Battery Powered |
| Style | Classic |

## Product Details

- **Alarm:** Audible
- **Brand:** Ei Electronics
- **Manufacturer:** Ei Electronics
- **Number of items:** 12
- **Power source:** Battery Powered
- **Sensor type:** Photoelectric
- **Style:** Classic

## Images

![Ei 105X-104 m Wireless Smoke Alarm Photoelectric Smoke DetectorInterconnect - Image 1](https://m.media-amazon.com/images/I/41iEsQ1M-NL.jpg)
![Ei 105X-104 m Wireless Smoke Alarm Photoelectric Smoke DetectorInterconnect - Image 2](https://m.media-amazon.com/images/I/51ivB0ai3rL.jpg)
![Ei 105X-104 m Wireless Smoke Alarm Photoelectric Smoke DetectorInterconnect - Image 3](https://m.media-amazon.com/images/I/816z7Ja11ML.jpg)
![Ei 105X-104 m Wireless Smoke Alarm Photoelectric Smoke DetectorInterconnect - Image 4](https://m.media-amazon.com/images/I/91wLqctvmCL.jpg)

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**Shop now:** [https://www.desertcart.com.au/products/55595928-ei-105x-104-m-wireless-smoke-alarm-photoelectric-smoke-detectorinterconnect](https://www.desertcart.com.au/products/55595928-ei-105x-104-m-wireless-smoke-alarm-photoelectric-smoke-detectorinterconnect)

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-11*