---
product_id: 290105362
title: "First AlertSCO500B Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location, White"
brand: "first alert"
price: "€ 139.19"
currency: EUR
in_stock: true
url: https://www.desertcart.nl/products/290105362-first-alertsco500b-wireless-interconnected-photoelectric-smoke-and-carbon-monoxide-combo
store_origin: NL
region: Netherlands
---

# Wireless interconnect Voice alerts Battery operated First AlertSCO500B Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location, White

**Brand:** first alert
**Price:** € 139.19
**Availability:** ✅ In Stock

## Summary

> 🔒 Safety in Sync: Your Home's Guardian Angels!

## Quick Answers

- **What is this?** First AlertSCO500B Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location, White by first alert
- **How much does it cost?** € 139.19 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/290105362-first-alertsco500b-wireless-interconnected-photoelectric-smoke-and-carbon-monoxide-combo)

## 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

- • **Peace of Mind:** Stay safe with a reliable, interconnected system.
- • **Instant Alerts:** When one alarm sounds, they all do—stay informed instantly.
- • **Seamless Safety:** Easily install without wiring—just set and forget!
- • **Clear Communication:** Voice alerts specify the danger and its location.
- • **Networked Protection:** Connect multiple alarms for a comprehensive safety net.

## Overview

The FIRST ALERT SCO500B is a battery-operated smoke and carbon monoxide alarm that offers easy installation and wireless interconnectivity. This advanced system allows multiple alarms to communicate, ensuring that when one detects danger, all alarms sound off. With clear voice alerts indicating the type and location of the threat, this device provides a comprehensive safety solution for modern homes.

## Description

First AlertSCO500B Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location, White

## Features

- Battery operated smoke and carbon monoxide alarm can be installed easily
- Wireless interconnect uses radio frequency communication to connect the alarms, without any electrical wiring needed.
- Connects multiple alarms together for wireless safety network (not z-wave compatible)
- When your alarms are interconnected, they communicate with each other, forming an integrated system of protection for your home
- When one alarm sounds, all alarms will sound.Voice alarm gives clear indication of what the danger is and where it is located

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | First Alert |
| Style | Standard Detection |
| Power Source | Battery Powered |
| Color | White |
| Product Dimensions | 2.8"D x 5.13"W x 5.13"H |
| Item Weight | 9.6 ounces |
| Alarm | Audible |
| Sensor Type | Photoelectric |
| Global Trade Identification Number | 00029054016324 |
| Material | Carbon |
| Number of Items | 1 |
| Manufacturer | First Alert |
| UPC | 029054016324 |
| Part Number | SCO500B |
| Item model number | OLCOMBOVFF |
| Batteries | 2 Lithium Metal batteries required. (included) |
| Is Discontinued By Manufacturer | No |
| Pattern | SCO500B |
| Item Package Quantity | 1 |
| Included Components | Alarm, 2-AA batteries |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Lithium Metal |
| Warranty Description | 7 |

## Product Details

- **Brand:** First Alert
- **Style:** Standard Detection
- **Power Source:** Battery Powered
- **Color:** White
- **Product Dimensions:** 2.8"D x 5.13"W x 5.13"H
- **Item Weight:** 9.6 ounces
- **Alarm:** Audible
- **Sensor Type:** Photoelectric
- **Global Trade Identification Number:** 00029054016324
- **Material:** Carbon

## Images

![First AlertSCO500B Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location, White - Image 1](https://m.media-amazon.com/images/I/61Dkc4iBA-L.jpg)
![First AlertSCO500B Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location, White - Image 2](https://m.media-amazon.com/images/I/71rXRKAEmyL.jpg)
![First AlertSCO500B Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location, White - Image 3](https://m.media-amazon.com/images/I/61sIyGPxwmL.jpg)
![First AlertSCO500B Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location, White - Image 4](https://m.media-amazon.com/images/I/71jJFvmkY4L.jpg)
![First AlertSCO500B Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location, White - Image 5](https://m.media-amazon.com/images/I/61XcWXuGmUL.jpg)

## Frequently Bought Together

- First Alert Battery Powered SCO500B Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location
- First Alert SM500V, Interconnect Battery-Operated Smoke Alarm with Voice Alerts, 1-Pack

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-01-25*