Hardwired smoke detectors are essential for ensuring safety in homes and commercial spaces, providing reliable fire detection without the need for battery replacements. In 2025, the market offers a variety of advanced models equipped with features such as interconnected systems, voice alerts, and smart technology integration. These detectors not only enhance safety but also provide peace of mind, making them a crucial investment for any property owner. When choosing the right hardwired smoke detector, consider factors like sensitivity, ease of installation, and additional features that suit your needs.
SALE
−$35.80
Kidde Hardwired Smoke Detector, 10-Year Battery Backup, Interconnectable, LED Warning Light Indicators, 4 Pack
- DETECTS SMOKE: Sounds a loud 85-decibel alarm when smoke is detected - 3 long beeps with red LED light flashing in time, repeating.
- HARDWIRED & 10-YEAR BATTERY BACKUP: Operates on 120V AC wiring (installed in the ceiling). No battery changes for 10 years & saves up to $40 over the life of the detector.
- ENHANCED SENSING TECHNOLOGY: Reduces false alarms often caused by cooking. Comprehensively tested to meet the latest UL standards, meets UL 217 9th Edition & FCC standards.
- SELF-TESTING ALARM: Internal components ensure alarm is always operating as expected. Not a substitute for a manual push test, perform a button test once per week to verify alarm operation.
- INTERCONNECT CAPABILITY: When one alarm sounds, they all sound, so you can get out faster. (Different models offer different interconnection options and requirements. See User Guide for more info.)
$116.17
SALE
−$7.98
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
$99.02
SALE
−$31.50
SITERWELL Smoke Detector, Hardwired Interconnected Smoke Detector, Photoelectric Smoke Alarm with 9V Backup Battery, Fire Alarm with Test/Silence Button, ETL-9th Listed, GS562A, 6 Packs
- HARDWIRED SMOKE DETECTOR - Hardwired interconnected smoke alarm can connect up to 12 alarms, they can be installed more flexibly at any location within the home to maximize coverage of the secure area. When one of alarms detects smoke, they all sound, more than 85 decibels of alarm sound, so you never miss an emergency and can get out faster.
- 10-YEAR PRODUCT LIFE - Hardwired smoke detectors can be used for ten years, are equipped with DC 9V batteries, providing protection in the event of a power outage. If low battery there will be a signal alarm, which informs you to change a new battery.
- FAST ALERTS - Enhanced sensing technology that respond quickly to smoke, enhancing fire warning capabilities. It can more accurately detect smoke from smoldering fires, reduces false alarms often caused by cooking.
- DO NOT DISTURB MODE - Hardwired interconnected smoke detector detects low voltage or a fault, pressing the test button activates a Do Not Disturb mode for approximately ten hours, preventing frequent alarms and flashing at night, ensuring your sleep is not disturbed.
- TEST/LED NOTIFICATIONS - Hardwired interconnected smoke detector you only need to press one test button during the weekly test, and the rest can be tested at the same time. If the smoke alarm is in normal working condition, the green LED light is always on and the red LED light flashes every 40 seconds.
$94.49
SALE
−$22.99
5 Packs Hardwired Interconnected Smoke Detectors, Smoke Alarm with Replaceable 9V Battery, Interconnects Up to 12 Fire Alarms Smoke Detectors
- [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)
$55.99
SALE
−$12.09
BRK First Alert 9120BFF/ SMI100-AC 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
$18.90
Kidde 21026063 AC Hardwired Smoke Detector Alarm with 9V Back up and Front Load Battery Door, White
- Ionization sensor technology senses invisible fire particles, associated with fast flaming fires
- Smoke alarm operates on a 120V wired power source with a 9-Volt alkaline battery backup (included)
- Front-loading battery door allows for easy change of the battery without removing the alarm from the mounting bracket
- Test-Hush button makes it easy to test the smoke detector and silence false alarms that occur from cooking or shower steam
- UL Listed with a 10-year limited warranty which begins when the alarm is powered on, if that date is unknown it should be assumed the alarm should be replaced.
$33.38
SALE
−$5.10
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
$97.46
SALE
−$35.98
Kidde Hardwired Smoke Detector, AA Battery Backup, Interconnectable, LED Warning Light Indicators, 4 Pack
- DETECTS SMOKE: Sounds a loud 85-decibel alarm when smoke is detected - 3 long beeps with red LED light flashing in time, repeating.
- HARDWIRED & 2 AA BATTERY BACKUP (Included): Operates on 120V AC wiring (installed in the ceiling) with 2 AA alkaline batteries that provide battery backup coverage during power outages.
- ENHANCED SENSING TECHNOLOGY: Reduces false alarms often caused by cooking. Comprehensively tested to meet the latest UL standards, meets UL 217 9th Edition & FCC standards.
- SELF-TESTING ALARM: Internal components ensure alarm is always operating as expected. Not a substitute for a manual push test, perform a button test once per week to verify alarm operation.
- INTERCONNECT CAPABILITY: When one alarm sounds, they all sound, so you can get out faster. (Different models offer different interconnection options and requirements. See User Guide for more info.)
$89.99
Kidde Hardwired Smoke Detector, 10-Year Battery Backup, Interconnectable, LED Warning Light Indicators
- DETECTS SMOKE: Sounds a loud 85-decibel alarm when smoke is detected - 3 long beeps with red LED light flashing in time, repeating.
- HARDWIRED & 10-YEAR BATTERY BACKUP: Operates on 120V AC wiring (installed in the ceiling). No battery changes for 10 years & saves up to $40 over the life of the detector.
- ENHANCED SENSING TECHNOLOGY: Reduces false alarms often caused by cooking. Comprehensively tested to meet the latest UL standards, meets UL 217 9th Edition & FCC standards.
- SELF-TESTING ALARM: Internal components ensure alarm is always operating as expected. Not a substitute for a manual push test, perform a button test once per week to verify alarm operation.
- INTERCONNECT CAPABILITY: When one alarm sounds, they all sound, so you can get out faster. (Different models offer different interconnection options and requirements. See User Guide for more info.)
$39.97
SALE
−$12.99
First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 1-Pack
- First Alert's Precision Detection advanced sensing technology complies with new industry standards to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency.
- Through early warning interconnect, when one alarm sounds, all compatible alarms will sound
- Battery backup provides continuous protection during power outages
- Alarm indicator visually identifies the unit that initiated the alarm
- Quick Connect Plug included allows for easy installation with no need to rewire
$17.00
Last update on 2025-05-03 / Affiliate links / Images from Amazon Product Advertising API