10 Best Hardwired Smoke Detectors Reviewed as of May 2024

Reviews Scanned

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

Note: A loose neutral (white wire) connection within the home junction box could prompt a device malfunction
Equipped with an ionization sensor, this smoke alarm reliably detects smoke from fast flaming fires and alerts you with an 85 decibel alarm
To ensure complete protection make sure to place one on each level of your home and in each bedroom
Can connect to other compatible BRK or First Alert smoke detectors, to ensure all alarms will sound when smoke is detected
Simple to use, with a single test/silence button, and side load battery compartment; Tamper resistant locking brackets and universal mounting brackets make installation easy

Sale2

Kidde Smoke Detector, Hardwired Smoke Alarm with Battery Backup, Front-Load Battery Door, Test-Silence Button, 1 Pack

Ionization sensing technology - hardwired smoke detector senses invisible fire particles, 85 decibel alarm alerts of fire
Still works during power failures - smoke alarm with battery backup operates on a 120V power source with 9V battery included
Easy to install & front-load battery door makes for quick battery replacements
Test-Hush Button - it’s simple to test or hush false alarms by pressing the button right on the face of the device
UL Certified, 10-year limited warranty

Kidde Smoke Detector, Hardwired Smoke Alarm with 9-Volt Battery Backup, Test-Reset Button, Interconnect Capability, White, 6 Pack

Ionization sensor technology senses invisible fire particles, while a electrochemical sensor detects CO gas
Smoke alarm operates on a 120V wired power source with a 9-Volt alkaline battery backup
An 85-decibel alarm sounds & a red LED indicates the smoke detector is sensing smoke or fire
Test-Hush button makes it easy to test the smoke detector and silence false alarms that occur from cooking or shower steam
Interconnection capability: allows you to connect up to 18 Kidde smoke, heat, or CO alarms, with the possibly it interconnect 6 strobe lights or relay modules

First Alert 9120BFF Smoke Detector, Hardwired Alarm with Battery Backup, White, 1-Pack

Keep your family safe with this hardwired smoke alarm the battery backup means constant monitoring, even if there's a power failure
Equipped with an ionization sensor, this smoke alarm reliably detects smoke from fast flaming fires and alerts you with an 85 decibel alarm
To ensure complete protection make sure to place one on each level of your home and in each bedroom
Can connect to other compatible BRK or first alert smoke detectors, to ensure all alarms will sound when smoke is detected
Simple to use, with a single test/silence button, and side load battery compartment tamper resistant locking brackets and universal mounting brackets make installation easy

Sale5

FIRST ALERT BRK SC9120FF Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup, 1 pack , White

Keep your family safe with this hardwired smoke and carbon monoxide alarm; The battery backup means constant monitoring, even if there's a power failure
Features an electrochemical carbon monoxide sensing technology as well as an ionization sensor for smoke detection.
Indicator lights on the face of the unit display the presence of smoke or carbon monoxide, while an 85 decibel siren provides a clear, loud warning upon detection
Can connect to other compatible BRK or First Alert detectors, to ensure all alarms will sound when threat is detected
Simple to use, with a single test/silence button, and side load battery compartment; Tamper resistant locking brackets and universal mounting brackets make installation easy

Smoke Detector, Hardwired Interconnected Smoke Detectors, Smoke Alarm with Replaceable 9V Battery, Interconnects Up to 12 Fire Alarms Smoke Detectors, Photoelectric Fire Alarm with Test/Silence Button

[Hardwired interconnection] Up to 12 smoke alarms can be interconnected to cover your entire home. When one detects smoke, they all make a sound to alert everyone in the house, creating an interconnected safety net for your home.
[9V Battery backup] Hardwired smoke detectors are equipped with 9V lithium batteries. Ensure that all units are always connected and continue to function properly, even in the event of a power failure. Low battery alarm reminds you to replace the battery as soon as possible. If an error occurs, the system automatically triggers the fault mode, prompting you to check the device.
[Test Mute button and LED light] It is connected with other alarms. Just press the test/mute button on one of the units to test or mute the entire interconnected system. If the smoke alarm is in normal working condition, the green LED light is always on and the red LED light flashes every 32 seconds
[Photoelectric smoke sensor] Based on advanced photoelectric technology, smoke alarms can be more sensitive, fast, accurate measurement of smoke levels. More than 85 decibels of alarm sound, you can more clearly hear the danger coming.
[Simple installation] The installation of smoke alarm is very simple. The AC connector is connected only to the mains power and signal cables. (Please connect as instructed)

Sale7

First Alert BRK 9120Bff-6 Hardwired Smoke Detector with Battery Backup, 6-Pack

6 pack of hardwired smoke alarms, includes battery backup for power outages
Tamper resistant locking pins, single button silence/test and loud 85Db alarm
120-Volt AC power with 9-volt battery backup (included) to keep alarm functioning during power outage
Open mounting design for easy installation with side load battery compartment for quick replacement and interconnect able up to 18 units (12 smoke, 6 co/heat/relay)
10-Year limited

First Alert BRK 7010B Hardwired Smoke Detector with Photoelectric Sensor and Battery Backup , White

120 volt hardwire smoke alarm with photoelectric sensor and battery backup
Features convenient 9 volt battery backup, silence/test button, dust cover, 85 decibel alarm
Inter connectable with BRK and first alert hardwired smoke and carbon monoxide alarms
Intuitive latching alarm indicator identifies which unit triggered alarm. Backed by 10 year limited warranty and tested to meet UL 217 standards
85 decibel alarm

Sale9

Kidde Hardwired Smoke & Carbon Monoxide Detector, AA Battery Backup, Interconnectable, LED Warning Light Indicators

24/7 Self-testing components are always checking the device to ensure it's operating as expected (not a substitute for a manual push test)
Easy installation mounting bracket included for quick installation in 4 orientations
Photoelectric sensor detects visible fire particles associated with slow, smoldering fires, while the electrochemical sensor detects carbon monoxide
85-decibel alarm & LED warning indicators alert you to various status: green = normal operation, amber = operating error, and red = smoke, fire or carbon monoxide event
Battery operated to provide reliable detection, even during power outages; two AA batteries included

X-Sense Smoke Detector Carbon Monoxide Detector Combo Hardwired with Voice Location, Hardwired Interconnected Smoke and Carbon Monoxide Detector, Model XP02-AR, 1-Pack

Hardwired Alarm with CR123A Battery Backup: Equipped with photoelectric and electrochemical sensors that detect both smoke and carbon monoxide, providing enhanced protection against dual threats for your family
Voice Alarm with Location: When there's danger, the alarm announces, "Warning! Smoke detected in Living Room. Evacuate." or "Warning! Carbon monoxide detected in Basement. Move to fresh air." Clearly tells the type and location of the danger, allowing for quick action
Voice Reminder Function: This smoke and carbon monoxide alarm provides voice alerts for threats, missed alarms, low battery, or malfunctions, ensuring that you never miss important notifications
10-Year Product Life: Made from a heat and corrosion-resistant PC material, with a sensor life of 10 years, this hardwired combination alarm offers a decade-long lifespan
Hear the Alarm No Matter Where You Are: Interconnects with all X-Sense hardwired alarms, including models XP04, XP06, and other XP02-AR devices, creating an interconnected home safety network; if one alarm sounds, they all activate

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