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

27811 ratings
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Product Features
- 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
- Rigorously tested to meet UL standards120 volt AC power with 9V battery backup to keep alarm functioning during power outage
- 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
Kidde Carbon Monoxide Detector, AC Plug-In with Battery Backup, CO Alarm with Replacement Alert

24366 ratings
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Product Features
- CO detector alerts with a loud 85dB warning signal indicating dangerous levels of carbon monoxide in your home
- Plug-in that still works during a power failure - 2-AA batteries (included) provide backup for your CO alarm in the event of a power outage
- Easy & quick installation - plugs into any standard AC wall outlet
- Purchase multiple alarms for whole-home detection - place 1 carbon monoxide detector on each level of your home & outside each sleeping area to help protect against poisonous CO gas
- UL Certified, 10-year limited warranty
Kidde Nighthawk Carbon Monoxide Detector, AC-Plug-In with Battery Backup, Digital Display

23727 ratings
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Product Features
- Protects during a power failure - carbon monoxide alarm contains a 9V battery backup in case of plug-in failure
- Easy installation - plug can be installed in any outlet of your home; or use the attached extension cord to place on a table or shelf
- Peace of mind - when CO detection is normal, a red dot appears in the lower right corner & blinks; includes a test button
- Electrochemical sensing technology - CO alarm detects the presence of carbon monoxide gas, 85 decibel alarm & memory storage
- UL Certified, 10-year limited warranty
FIRST ALERT BRK SC9120FF Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup, 1 pack , White

22565 ratings
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Product Features
- 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
- Rigorously tested to meet UL standards
- Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety
- 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)
Google Nest Protect - Smoke Alarm - Smoke Detector and Carbon Monoxide Detector - Battery Operated , White - S3000BWES

12331 ratings
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Product Features
- Smoke detector and carbon monoxide detector that speaks up in a friendly voice to give you an early warning when there's smoke or CO in your home
- Split Spectrum Sensor looks for both fast burning and smoldering, and tells you where the danger is
- Get phone alerts so you know something's wrong even when you're away from home[1]
- CO detector looks out for carbon monoxide and tells you where it's located
- With App Silence you can silence the smoke alarm with your phone in the Nest app when there's only a little smoke
- No chirps to tell you the battery is low; Nest Protect tests its own batteries and gives you a Nightly Promise when you turn off the lights so you know everything is working
- A Light in the Dark: Usually Nest Protect has its light turned off but when you walk underneath it Pathlight can light your way.
- The Nest smoke and carbon monoxide alarm has sensors with a 10-year lifespan to help keep your family safe for up to a decade
- With Safety Check you can test all your smoke and CO alarms with just a tap and get a full report once the test is done
- 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.
- 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. Connectivity: Bluetooth 4.0 LE, Wi-Fi 4 (802.11n)
- 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.
Kidde Smoke & Carbon Monoxide Detector, Hardwired, Interconnect Combination Smoke & CO Alarm with Battery Backup, Voice Alert

9789 ratings
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Product Features
- Fire & CO Detector in 1 unit with alert modes, LED lights, & voice alarm, that states, "Fire! Fire!", "Warning! Carbon Monoxide!", or "Low Battery!"
- Ionization sensing technology - hardwired smoke detector detects invisible fire particles, 85 decibel alarm alerts of fire
- Protects during a power failure - combo smoke and CO detector operates on a 120VAC power source with 2-AA battery backup
- Test-Hush Feature - silences the unit for approximately 9 minutes; tamper-resistant technology deters removal of the unit from the wall or ceiling
- UL Certified, 10-year limited warranty
- Meets safety standards set by Underwriters Laboratories (UL) and interconnects with other KN-COSM-IBA models
- 120V AC, All Kidde brand hard wired smoke alarms are interconnectable with the KN-COSM-IBA
Kidde Smoke Detector, Hardwired Smoke Alarm with Battery Backup, Front-Load Battery Door, Test-Silence Button

3687 ratings
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Product Features
- 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 Battery Backup & Interconnect Capability

2834 ratings
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Product Features
- Ionization sensing technology — detects invisible fire particles associated with flaming fires quickly and sounds an 85dB alarm
- Hardwired smoke detector with battery backup — provides reliable detection, even during a power outage
- Large base makes mounting easy, while a front battery pull tab lets you activate the smoke alarm without removing it from the mounting bracket
- Whole-home interconnection — maximum of 24 Kidde devices of this type can be interconnected; when one alarm sounds, they all do
- Hush button — quickly and easily silence false or “nuisance” alarms from things like routine cooking or shower steam
- UL Listed, 10-year limited warranty
Kidde i12040 120V AC Wire-In Smoke Alarm with Battery Backup and Smart Hush

2014 ratings
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Product Features
- 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.
- Fewer callbacks - One 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.
- User-friendly features - Tamper resist locking feature deters alarm theft. Alarm memory flashes red LED indicating which unit was the initiating alarm in interconnected system.
- Interconnectable - Connect up to 24 devices (of which 18 can be initiating) including smoke, CO and heat alarms. See user’s guide for complete instructions.
- Battery backup - 9v battery backup (included).
- Hush feature temporarily silences nuisance alarms
- One touch test button tests unit's electronic circuitry
- Battery backup 9V battery included
- Tamper resist locking pin helps deter alarm tampering and theft
- Kidde smoke alarms meet the UL requirements
Kidde Smoke & Carbon Monoxide Detector, Hardwired, Interconnect Combination Smoke & CO Alarm with Battery Backup, Voice Alert, Pack of 2

584 ratings
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Product Features
- Fire & CO Detector in 1 unit with alert modes, LED lights, & voice alarm, that states, "Fire! Fire!", "Warning! Carbon Monoxide!", or "Low Battery!"
- Ionization sensing technology - hardwired smoke detector detects invisible fire particles, 85 decibel alarm alerts of fire
- Protects during a power failure - combo smoke and CO detector operates on a 120VAC power source with 2-AA battery backup
- Test-Hush Feature - silences the unit for approximately 9 minutes; tamper-resistant technology deters removal of the unit from the wall or ceiling
- UL Certified, 10-year limited warranty