---
product_id: 670372067
title: "FireAngel Optical Smoke Alarm 2-Pack - FA6620 10-Year Battery Smoke Alarms for Home with Test/Silence Button - Replacement for FireAngel ST-622/ST-620 - Early Smoke Detector Fire Alarm - White"
brand: "fireangel"
price: "10369 kr"
currency: ISK
in_stock: true
category: "Fireangel"
url: https://www.desertcart.is/products/670372067-fireangel-optical-smoke-alarm-2-pack-fa6620-10-year-battery
store_origin: IS
region: Iceland
---

# Optical smoke sensing chamber Test/silence button for nuisance alarms 10-year sealed battery life FireAngel Optical Smoke Alarm 2-Pack - FA6620 10-Year Battery Smoke Alarms for Home with Test/Silence Button - Replacement for FireAngel ST-622/ST-620 - Early Smoke Detector Fire Alarm - White

**Brand:** fireangel
**Price:** 10369 kr
**Availability:** ✅ In Stock

## Summary

> 🔥 Stay ahead of danger with decade-long, smart smoke sensing!

## Quick Answers

- **What is this?** FireAngel Optical Smoke Alarm 2-Pack - FA6620 10-Year Battery Smoke Alarms for Home with Test/Silence Button - Replacement for FireAngel ST-622/ST-620 - Early Smoke Detector Fire Alarm - White by fireangel
- **How much does it cost?** 10369 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/670372067-fireangel-optical-smoke-alarm-2-pack-fa6620-10-year-battery)

## Best For

- fireangel enthusiasts

## Why This Product

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

## Key Features

- • **Smart Smoke Detection:** Advanced optical sensor quickly detects slow-burning fires with thick smoke while minimizing false alarms from cooking fumes.
- • **Sleep-Friendly Silence:** Temporarily mute false alarms for up to 8 minutes with the test/silence button, so your nights stay calm and safe.
- • **Effortless Installation:** Twist-and-lock baseplate design lets you secure your alarm in minutes—perfect for quick upgrades or replacements.
- • **Decade-Long Peace of Mind:** 10-year sealed lithium battery ensures uninterrupted protection without the hassle of replacements.
- • **Certified Safety Assurance:** CE and UKCA marked, BS EN 14604:2005+AC:2008 certified, backed by a 5-year warranty for trusted home protection.

## Overview

The FireAngel FA6620 Optical Smoke Alarm Twin Pack offers cutting-edge optical smoke detection designed to spot slow-burning fires early. Featuring a 10-year sealed lithium battery, it guarantees a decade of maintenance-free safety. Its advanced sensor reduces false alarms from cooking fumes, while the easy twist-and-lock installation and test/silence button provide user-friendly convenience. Certified to the highest UK and European safety standards and backed by a 5-year warranty, this alarm is the smart upgrade for any modern home.

## Description

FireAngel Optical Smoke Alarm 2-Pack - FA6620 10-Year Battery Smoke Alarms for Home with Test/Silence Button - Replacement for FireAngel ST-622/ST-620 - Early Smoke Detector Fire Alarm - White : desertcart.ae: Tools & Home Improvement

## Features

- SMOKE DETECTORS FOR HOME: The optical smoke alarm makes protecting your home simple. Its optical sensing chamber 'sees' smoke as it enters the alarm, providing a fast response to slow burning fires with thick white smoke.
- FEWER NUISANCE ALARMS: The advanced optical sensor ensures the FireAngel smoke alarm is less prone to false alerts from cooking fumes. Avoid placing near bathrooms or kitchens.
- 10-YEAR BATTERY: Each smoke alarm is fitted with a 10-year sealed battery, offering protection for the lifetime of the device without needing to change the batteries.
- EASY INSTALLATION: Fitted with a removable base plate, secure it to the ceiling using the screws provided. Push and twist to secure the device. The base plate is identical to the ST622, making replacements quick and easy.
- SAFETY ASSURED: The FA6620 smoke alarm holds CE and UKCA marks and is certified to BS EN 14604:2005+AC:2008. Suitable for domestic premises, including leisure accommodation vehicles, it comes with a 5-year warranty.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | FireAngel |
| Part number | FA6620-R-T2 |
| Item Weight | 138 g |
| Batteries | 2 CR123A batteries required. (included) |
| Item model number | FA6620-R-T2 |
| Size | Twin Pack |
| Color | White |
| Style | New Gen Twin Pack |
| Material | Plastic |
| Pattern | Single |
| Shape | Circular |
| Power source type | Battery Powered |
| Installation Method | Install in a matter of minutes with only 2 screws required (not included) to secure the baseplate, then twist the alarm in to place |
| Item Package Quantity | 1 |
| Cutting Diameter | 118 Millimeters |
| Included components | 1 x Instruction Manual, 2 x Baseplate, 2 x Optical Smoke Alarms complete with Sealed Batteries |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Lithium |
| Item diameter | 118 Millimeters |

## Product Details

- **Brand:** Fireangel
- **Colour:** White
- **Power source:** Battery Powered
- **Product dimensions:** 11.8D x 11.8W x 3.2H centimeters
- **Style:** New Gen Twin Pack

## Images

![FireAngel Optical Smoke Alarm 2-Pack - FA6620 10-Year Battery Smoke Alarms for Home with Test/Silence Button - Replacement for FireAngel ST-622/ST-620 - Early Smoke Detector Fire Alarm - White - Image 1](https://m.media-amazon.com/images/I/51uAIAFZJrL.jpg)

## Frequently Bought Together

- FireAngel Optical Smoke Alarm 2-Pack - FA6620 10-Year Battery Smoke Alarms for Home with Test/Silence Button - Replacement for FireAngel ST-622/ST-620 - Early Smoke Detector Fire Alarm - White
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**Shop now:** [https://www.desertcart.is/products/670372067-fireangel-optical-smoke-alarm-2-pack-fa6620-10-year-battery](https://www.desertcart.is/products/670372067-fireangel-optical-smoke-alarm-2-pack-fa6620-10-year-battery)

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*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-01-28*