Best Hardwired Smoke Detectors in 2026

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. Dust cover

First Alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 (Based on a First Alert brand trust survey in February 2018)

Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety

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

UL Certified with a 10-year limited warranty on alarm

Product 1: Easy to read digital display - allows for easy viewing of carbon monoxide levels

Product 2: Ionization sensing technology - hardwired smoke detector detects invisible fire particles, 85 decibel alarm alerts of fire

Product 2: Protects during a power failure - smoke alarm operates on one, 9-volt battery in the back of the unit

Product 2: Whole home family protection - place 1 fire detector on each level of your home & in your bedroom

Product 2: Test-Hush Feature - silences the unit for approximately 7 minutes

Battery operated unit installs quickly and easily without an electrician. Low battery signal mute, quiets low battery signal for up to 8 hours

Simple to use, with a single test/silence button; EZ access battery drawer allows you to change battery without removing alarm from ceiling

7 year limited warranty; Equipped with end of life signal chirp, so you know when it’s time to replace the unit for safety; All first alert alarms are rigorously tested to meet UL standards. Emits T3 Pattern

It can ship within the US except New York

First Alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 (Based on a First Alert Brand Trust Survey in February 2018)

Test-Hush Feature - silences the unit for approximately 8 minutes; tamper-resistant technology deters removal of the unit from the wall or ceiling

UL Certified, 10-year limited warranty

A Light in the Dark: Usually Nest Protect has its light turned off but when you walk underneath it Pathlight can light your way.

Fast Detection: Every second counts. The Split-Spectrum Sensor looks for both fast and slow burning fires.

Know from anywhere: Connect Nest Protect to Wi-Fi and it will send an alert to your phone if the alarm goes off or the batteries run low

Wireless: Working Wi-Fi connection: 802.11b/g/n @ 2.4GHz Wireless reconnect: 802.15.4 @ 2.4GHz Wireless Interconnect: 802.15.4 @ 2.4GHz Bluetooth Low Energy (BLE). Tells you what and where: It speaks up to tell you if there's smoke or CO and where.

App Silence: Nest Protect is the first alarm you can hush from your phone. Simply walk to the Nest Protect that noticed the problem and open the Nest app.

Split-Spectrum Sensor: In an emergency seconds count. Nest Protect uses two wavelengths of light to look for both fast and slow burning fires.

This Google Product features the Google Seal for Online Marketplace when purchased from a seller other than Amazon.

Know from anywhere: Connect Nest Protect to Wi-Fi and it will send an alert to your phone if the alarm goes off or the batteries run low. Field of View 120°

Wireless: Working Wi-Fi connection: 802.11b/g/n at 2.4GHz Wireless Interconnect: 802.15.4 at 2.4GHz Bluetooth Low Energy (BLE). Tells you what and where: It speaks up to tell you if there’s smoke or CO and where the problem is, so you know what to do.

App Silence: Nest Protect is the first alarm you can hush from your phone. Simply walk to the Nest Protect that noticed the problem and open the Nest app.

Split-Spectrum Sensor: In an emergency, seconds count. Nest Protect uses two wavelengths of light to look for both fast and slow burning fires.

Heads-Up: Get a friendly voice alert so you can handle burning toast before it becomes a burning toaster.

10-year carbon monoxide sensor: Carbon monoxide is odorless, invisible and deadly. When there’s CO, Nest Protect tells you where it’s hiding.

Simple Installation: Requires no rewiring; easy to mount this smoke and carbon monoxide alarm on any wall or ceiling with the included mounting bracket, screws, and anchor plugs

Premium Quality: Made from a premium PC material, ensuring exceptional quality and protection; approved by the ETL and meets the UL 217 and UL 2034 safety standards

Simple Installation & Operation: This battery-operated unit can be installed quickly and effortlessly without an electrician; one-button operation allows you to test and silence the alarm with ease

Premium Quality: Made from a premium PC material, ensuring exceptional quality and protection; approved by the ETL and meets the UL 217 and UL 2034 safety standards;comes with a 60-day money-back guarantee, a 5-year warranty, and lifetime customer support

Product 1: Whole home family protection - place 1 carbon monoxide detector on each level of your home & in your bedroom to protect from poisonous gases

Product 2: Ionization sensing technology - hardwired smoke detector detects invisible fire particles, 85 decibel alarm alerts of fire

Product 2: Protects during a power failure - smoke alarm operates on one, 9-volt battery in the back of the unit

Product 2: Whole home family protection - place 1 fire detector on each level of your home & in your bedroom

Product 2: Test-Hush Feature - silences the unit for approximately 7 minutes

Low battery warning - One chirp followed by warning “low battery”. The red LED light will flash. This pattern will continue every minute for the first hour. After the first hour the red LED light will flash once every minute accompanied by the chirp sound. The “low battery” warning will only sound once every fifteen minutes. Voice Hush Indication: “Hush activated” and “Hush cancelled” voice announcement

Alarm memory - The green LED will blink once every 16 seconds to alert a user when the unit has alarmed for smoke or has detected a concentration of CO. If the alarm has detected a CO level of 100ppm or greater, when the test/reset button is pressed the unit will announce “CO previously detected”. If the alarm has detected abnormal levels of smoke since its last test, it will produce three rapid beeps.

AC-Wire with battery backup, An included 9V battery protects during short-term power outages

Front-loading battery with unique battery door design

Voice warning with green and red LEDs

Photoelectric smoke sensor – May detect visible fire particles associated with slow smoldering fires sooner than an ionization sensor.

Tamper resistant

Easy Installation: All mounting hardware is included for fast and simple installation in minutes

Premium Quality: Made from high-quality materials and components, this hardwired combination alarm offers a long lifespan of up to 10 years

The KA-F2 can be used on all AC/DC Kidde smoke and combination alarms.

Sound & LED Warning: When the fire alarm detects smoke or detect combustion particles in the air, it will alert in 85db and the red LED will flash rapidly to remind you to check. If fault, please clean dust or smoke inside smoke alarm with fan

Home Protection: According to US data analysis, a family fire begins every 38 seconds. The faster you know about the fire, the sooner you start moving your family, working fire detector reduces the risk of home fire deaths by 50%

Fewer callbacks - 1 button design for easy operation and less confusion. Operates Hush and alarm test. Battery run down protection will shut down alarm memory when AC power is not present, reducing low battery chirp. Dust cover protects sensor from contaminates during construction reducing nuisance alarms

Easy installation - Front battery pull tab allows battery activation without removing alarm from mounting bracket. Large mounting base makes mounting easier, protects surface paint from dirt and covers imperfections. Pre-stripped wiring harness with easy off cap does not require stripper tool. Tinned strands increase conductivity and wire nut grip

【Easy Installation】The smoke detector is operated with 1 year 9V battery. There are adhesive magnetic pads in the box to help you install the alarm easily on ceiling or wall in seconds, without worrying about the size, mounting plate and rewiring

【10-Year Product Life】The smoke alarm has 1-year 9V battery. This smoke alarm can be used for ten years with continuous battery replacement. Working smoke detector cut the risk of dying in a home fire by 50% while a home fire starts every 83 seconds! The faster you realize a fire warning, the more time to escape from the fire

Self-Test Function: The smoke detector has an automatic self-test function that checks its sensor, electronics, and battery every 60 seconds to ensure that it is functioning properly

Wide Coverage and Loud Sound: The fire alarm covers a large floor area of 215–430 ft² (20–40 m²); when it detects a problem, it emits a loud sound of over 85 decibels, enough to wake up even the deepest sleepers, anywhere in the house

Sealed-In 10-year lithium battery

100% Satisfaction guarantee...or your money back

One button tests the unit's circuit operation and resets its memory after an alarming condition occurs

Kidde’s smoke alarms meet the requirements of Underwriters Laboratories (UL), an independent facility that tests products for compliance with widely-accepted safety standards

An 85-decibel alarm sounds & a red LED indicates the smoke detector is sensing smoke or fire

Test-Hush Button makes testing the detector or silencing false alarms easy (false alarms may occur from routine cooking, shower steam, dust or humidity)

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

UL Certified, 5-year limited manufacturer warranty

Alarm memory flashes red LED indicating which unit was the initiating alarm in interconnected system. Temperature Range: 40 degree Fahrenheit to 100 degree Fahrenheit

Tamper resist locking feature deters alarm theft

Practical LCD Display: Clearly indicates real-time carbon monoxide (CO) concentration in the surrounding air, as well as the remaining battery life and working status of the alarm; if a CO concentration of 30-999 ppm exists for a certain time period, the screen will be backlit blue, and the LED indicator will flash red 4 times every 5.8 seconds

A loud 85-decibel alarm sounds when Carbon Monoxide, and Smoke levels begin to rise,Easy to Install and Use: The alarm can easily install with mounting bracket.No hardwired anymore

Fast Fire Dispatch Within Just 3 Seconds: As a subscriber to the Protect+ Premium which provides 24/7 professional monitoring service, when an alarm is triggered, you will receive a message from the monitoring center within 3 seconds to verify the emergency. After the emergency is verified, a fire truck will be dispatched immediately

Mini and Compact: Measuring only 3.0 × 1.9 in (78 × 48 mm), this fire alarm with a replaceable battery is small and ultra-slim, making it easy to take along when you travel

Device Sharing Feature: Using the X-Sense Home Security app, you can share your devices with up to 12 different app accounts so the shared users can receive real-time push notifications

Simple to Use: Test/Silence button enables you to test the alarm weekly, and to easily silence the alarm when false alarms occur; malfunction and low battery warnings allow you to easily know the working status of the alarm; in case of an emergency, an alarm tone of over 85 dB will sound throughout your entire home, instantly alerting the entire household, even those in sleep

Quick & Easy Installation with Guaranteed Quality: Product Dimensions: 4 * 4 * 1.5 inch, Requires no rewiring; easy to mount on any wall or ceiling with the included mounting bracket, screws and anchor plugs; certified to meet the UL safety standards for your peace of mind and absolute confidence in our product. you can get: 1. one detector alarms with Mounting bracket, 2. one manual, 3. two screws.

EASY INSTALLATION: The smoke detector can easily install with mounting bracket. No hardwired anymore and you can install it wherever you want.

HOME PROTECTION: According to US data analysis, a family fire begins every 38 seconds. The faster you know about the fire, the sooner you start moving your family, and the smoke alarm at work reduces the risk of home fire deaths by 50%.

If One Alarm Goes Off, All of Them Will: When one alarm is triggered, all emit a loud 85 dB sound, to ensure that everyone in your house is alerted; the backup battery ensures that all units are always connected and continue to function normally, even in the event of a power failure

Single Button Control: Simply press the test/silence button on one of the units to test or silence the entire interlinked system, without the need to operate each unit individually; the large, user-friendly central button allows for easy control with a long stick, with no climbing ladder required

Red LED flashes every 30-40 seconds to indicate that the smoke alarm is operating properly

Test/Reset button tests units electronic circuitry and horn.Audio alarm:85dB at 10ft

Enables extension of coverage & protection without any need for additional wiring

Ambient Light Sensing feature establishes a day/night cycle and prevents late-night battery chirps in dark conditions

LED warning light indicators alert you to various statuses: a green light indicates the unit is in proper working operation, an amber light indicates an operating error, and a red light indicate smoke or fire

Interconnection capability: allows you to connect up to 24 Kidde smoke, heat, or CO alarms, with the possibly it interconnect 6 strobe lights or relay modules

UL Certified, 10-year limited manufacturer warranty

Compatible with RemoteLync Bridge - Connect to the Kidde app for additional features and benefits

【Advanced Photoelectric Technology】This smoke detector battery operated adopts industry leading photoelectric sensor technology, which is optimized to detect slow burning fire quickly and accurately, provides the earliest possible warning of fire to helps your family keep far away from fire dangerous.

【Suitable for Multiple Places & After-Sales Services】This fire alarms smoke detectors is made from upgraded premium ABS material, and Anti-UV additives can effectively delay the yellowing of the shell, ensuring exceptional quality and protection. It widely use for home, hotel, bedroom, kitchen, ect. 12-month warranty and 24-hour support is included, If you have any problems please kindly contact our support teams

Suitable For Multiple Places: This smoke and heat detector does not contain any radioactive material. Smoke alarms can be installed in every room to ensure the safety of you and your family.

High-tech Products: This smoke and heat detector has a built-in intelligent chipset.When the light is red, it means there is an emergency， When the light is green, it means everything is good， detecte the safety of your house at anytime for your peace of mind and absolute confidence in our product.

Hardwired Alarm with Replaceable Battery Backup - keeps you and your family safe even during power outages. Detect potential hazards anywhere in the home for total monitoring and security.

85 dB Alarm & Self Check Function - This smoke detector and CO combination detector has self check function instead of manual test. When the probe fails, it will notify you as soon as possible. A loud alarm of 85 decibels will wake even the deepest sleeper.