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10 Best Mains Electric Interlinked Smoke Alarms - Holiday Sale

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Last Updated - 2025/12/14

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01
First Alert

First Alert SC5 Hardwire Smart Smoke & Carbon Monoxide Alarm, 1-Pack

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Main highlights

Voice alerts with Heads-Up warning tells you the type and location of danger in your home
Sends alerts to your phone if smoke and CO are detected through the First Alert app
Interconnect so when one alarm sounds, all compatible alarms in the home sound
Battery backup provides continuous protection during power outages
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9.8

Exceptional

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02
First Alert

First Alert SC5 Battery Smart Smoke & Carbon Monoxide Alarm, 1-Pack

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Main highlights

Voice alerts with Heads-Up warning tells you the type and location of danger in your home
Sends alerts to your phone if smoke and CO are detected through the First Alert app
Notifies when the batteries are low, eliminating late night chirps
Interconnect so when one alarm sounds, all compatible alarms in the home sound
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9.6

Exceptional

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03
Evjeal

5-Pack Smoke Alarm Set with WiFi – App-Controlled Fire Detectors, Silence & Test Button, Low Battery Indicator, Tool-Free Cover for Quick Battery Swap, Includes 10 AAA Batteries
Main highlights

Smart Smoke Detection with App Alerts: Stay connected and protected—this WiFi-enabled smoke detector pairs with a mobile app to send real-time alerts for smoke detection, low battery, and more. Monitor your home from anywhere and customize alarm settings right from your phone.
Simple Setup and Reliable Performance: Connects to 2.4GHz Wi-Fi and supports both EZ and AP pairing modes. Installation is quick with included screws and anchor kit—no hub required. Built with photoelectric sensors for fast and accurate smoke detection.
No-Remove Battery Replacement Design: Changing batteries has never been easier. Our innovative top-access battery cover lets you swap out 2 AAA batteries without removing the smoke alarm from the ceiling—no tools or hassle required.
Full Control at Your Fingertips: Use the app to remotely test the alarm, mute false alarms, turn notifications on/off, and monitor battery status. Ideal for modern households, rental units, and elderly family members who need effortless safety management.
Fast Based Customer Support: If you experience issues pairing the smoke detector or have any product concerns, please contact our support team through Amazon. We’re committed to solving your issue on the next business day—your safety is our priority.
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9.3

Excellent

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04
First Alert

First Alert 9120BA Hardwired Smoke Alarm with 9V Backup Battery, Smoke Detector

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9.7 Battery Duration

9.3 Easy installation

9.1 Simple to use
Main highlights

This alarm runs on 120-volt AC power and must be connected directly to your home’s electrical system.
Comes with a 9V battery that provides power in case of an electrical outage. It is not a battery-only alarm.
Can be linked with up to 12 other First Alert or BRK hardwired smoke alarms for whole-home safety.
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9.2

Excellent

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Value for Money

05
First Alert

First Alert SC9120BCA Hardwire Combination Carbon Monoxide and Smoke Alarm

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9.5 Easy installation

9.1 Simple to use

8.7 worth the money
Main highlights

Loud 85db Siren
Combination smoke and CO alarm eliminates the need for 2 electrical boxes
Battery backup ensures alarms work even during power outages
Alarm is wired directly into your electrical system and includes a battery backup and mute button
5-year limited warranty
120-Volt hard-wired detector. Electrochemical, Ionization sensor type
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9.0

Excellent

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06
First Alert

First Alert 9120LBLA Hardwire Smoke Alarm with 10 Year Battery

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9.7 Battery Duration

9.3 Easy installation

9.1 Simple to use
Main highlights

Smart Technology - helps reduce the number of nuisance alarms
Perfect Mount - allows for easy alignment of alarm
Locked Battery Drawer
Latching alarm indicator - remembers which unit initiated an alarm
10 Year Lithium Battery Backup
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8.9

Very Good

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07
First Alert

First Alert PR700A Slim Series Battery Powered Photoelectric Smoke Alarm

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9.7 Simple to use

9.5 Easy installation

9.1 worth the money
Main highlights

Tamper resistant-locks alarm to mounting bracket to prevent removal of battery and/or alarm
Photoelectric smoke sensing technology
Perfect for apartment, dormitory or hotel applications
Low profile design - sleek, contemporary design blends into any decor
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8.8

Very Good

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08
First Alert

First Alert SCO5RVA Battery Operated Combination Carbon Monoxide and Smoke Alarm

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9.5 Easy installation

9.5 Sheerness

9.3 Simple to use
Main highlights

Photoelectric sensor detects smoke while minimizing false alarms
Electrochemical CO sensor alerts you to carbon monoxide danger. Age 3 - 8 years
Date on the alarm indicates when the alarm was manufactured.
Combination smoke detector/carbon monoxide alarm detects two threats
Battery-operated unit installs quickly and easily without an electrician
A single button tests the unit or silences the alarm. Where to install - kitchen, living room, basement, bathrooms, hallway, indoors
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8.7

Very Good

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09
First Alert

FIRST ALERT Smoke and CO Alarm, SC7010BA, White

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9.1 Easy installation

9.1 Simple to use

8.4 worth the money
Main highlights

Keep your family safe with this talking hardwired smoke and carbon monoxide alarm
Features electrochemical Carbon Monoxide sensing technology and photoelectric smoke sensor optimized to detect larger smoke particles produced by smoldering fires; helps minimize the number of false alarm
Can connect to other compatible BRK or First Alert detectors, to ensure all alarms will sound when threat is detected
10 year limited warranty; Equipped with end of life signal chirp, so you know when it's time to replace the unit for your safety
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8.6

Very Good

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10
EUREKA SHIELD

10-Year Battery Smoke Detector for Home | 85dB Fire Alarm, Military-Grade Photoelectric Sensor Reduces 70% False Alarms | CE/UL Globally Certified | Easy Install (Adhesive/Screws) (6)

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Main highlights

【85dB Alarm with Real-Time Status LED】85dB pulsating alarm penetrates to wake deep sleepers within 10ft (3m). In normal mode, Red LED indicator flashes every 60s. In test, alarm, and silence modes, it flashes continuously. In case of a false alarm, a one-click mute function can silence it for 10 minutes, combining safety and convenience—a must-have smoke detector for home.
【Quick Installation & Hassle-Free Care】Simple, rounded and sleek industrial design. Fits well in any home environment. Two installation options (self-adhesive backing or screws) enable 5-minute setup. Suitable for all ceiling materials. Just test it weekly and clean it quarterly, making maintenance easy.
【Military-Grade Photoelectric Sensor】EN14604-certified photoelectric smoke alarm detects smoldering fires 15 minutes faster than traditional ionization sensors. Triple air-sampling tech reduces cooking/steam false alarms by 70%. Covers up to 430 sq.ft (40m²), with adaptive logic for kitchens/bathrooms, provides you with first safety alert.
【Certified Safety for Global Homes】Passed strict CE EN14604 and US UL217 tests for fire alarms, suitable for home, apartment, hotel and shops. Built with heat-resistant ABS housing, it delivers lab-tested protection trusted worldwide.
【10-Year Battery & Smart Power Management】 Equipped with a replaceable CR123A lithium battery delivering 10-year battery life, saving over US$40. Features low-power alerts (with beeps and flashes for every 60s), and a microchip with <0.5 mW ultra-low consumption. Sleep mode ensures 24/7 protection without energy drain—ideal for smoke alarms for home safety.
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8.5

Good

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