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Battery operated alarm unit provides continuous monitoring even if there's a power failure; Plus, it's easy to install. To ensure complete protection make sure to place one on each level of your home and in each bedroom. 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.

10-year limited warranty. No battery changes for the Life of the Alarm; 3V Lithium Power Cell Included. Ionization Sensor. States/cities where required.
Ionization Sensor. Alarm also features loud 85-decibel alarm, a single test/silence button, easy mounting bracket, and an end-of-life signal so you know when to replace the unit. Battery-operated unit provides continuous monitoring even if there's a power failure: Plus, it's easy to install. Perfect mount allows for easy alignment of alarm. No battery changes for the Life of the Alarm; 3V Lithium Power Cell Included. 10-year limited warranty.

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. 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.
It can ship within the US except New York. Simple to use, with a single test/silence button; EZ access battery drawer allows you to change battery without removing alarm from ceiling. Keep your family safe with this battery operated smoke and carbon monoxide alarm; Battery powered alarms provide continuous monitoring of CO levels, even if there's a power failure.

Separate smoke and CO detects both dangers and eliminates the need for two separate alarms. Electrochemical CO Sensor is the most accurate technology available. End of life signal provides Audible Notice When Alarm Needs to be Replaced.

Patented smoke entry system allows for a direct path to the sensor. Meets ul217 standards and complies with legislative requirements for 10-year battery operated smoke alarms. States/cities where required.
New sleek and thin design adds an element of style to safety. Nuisance free photoelectric technology reduces false alarms that result from cooking and shower steam. Powered by sealed, ten year lithium batteries to provide continuous protection for ten years without battery replacement.

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. Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety. Rigorously tested to meet UL standards.

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.
Features an electrochemical carbon monoxide sensing technology as well as a photoelectric sensor that detects the larger particles of a smoldering fire. Keep your family safe with this talking battery operated smoke and carbon monoxide alarm; it's equipped with voice and location, so you are alerted of the danger and where it originates from across your house. It can ship within the US except New York.

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. Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety.
Equipped with an ionization sensor, this smoke alarm reliably detects smoke from fast flaming fires and alerts you with an 85 decibel alarm. Can connect to other compatible BRK or first alert smoke detectors, to ensure all alarms will sound when smoke is detected.

Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety. Features a sleek, low profile design to blend more fully into the wall and out of sight. S.
Rigorously tested to meet UL standards. Complies with all current 10 year legislation in U. 10-year limited ; equipped with end-of-life signal chirp, so you know when it’s time to replace the unit for your safety the date printed on the item is the manufacturing date, not the expiration date.

Battery powered alarm requires no rewiring for installation and provides continued monitoring even if there's a power failure; use with Polaroid AA batteries for best results.
Voice alarm with 11 programmable locations tells you where the danger is so you can choose the best evacuation route; Loud, 85-decibel siren sounds to alert you to danger. Help keep your family safe with these battery operated smoke alarms that wirelessly interconnect with each other and other First Alert enabled alarms so that all sound when one is activated, creating a home safety network; comes in a pack of 2 alarms.
1. FIRST ALERT
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White, First Alert SA303CN3 Battery Powered Ionization Smoke Alarm with Test/Silence Button
#adFIRST ALERT #ad - Help keep your family safe with this battery powered smoke alarm featuring an ionization sensor for smoke detection; a loud 85 decibel alarm sounds when smoke levels are elevated.Battery operated alarm unit provides continuous monitoring even if there's a power failure; Plus, it's easy to install. To ensure complete protection make sure to place one on each level of your home and in each bedroom. 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.
More information #ad
It can ship within the US except New York. Ionization sensor is effective in recognizing smoke from flaming fires such as paper and grease fires. Tamper resistant alarm also features a single test/silence button, side battery door, and missing battery guard.Brand | FIRST ALERT #ad |
Manufacturer | First Alert #ad |
Height | 1.9 Inches |
Length | 4.3 Inches |
Weight | 0.5 Pounds |
Width | 4.3 Inches |
Part Number | SA303CN3 |
Model | SA303CN3 |
Warranty | 10-year limited warranty |
More information #ad
2. FIRST ALERT
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First Alert 0827B Ionization Smoke Alarm with 10-Year Sealed Tamper-Proof Battery , White
#adFIRST ALERT #ad - Same features as sa340cn and SA340B but adds Sealed Battery Technology. Alarm features an ionization sensor for smoke detection, which is effective in recognizing smoke from flaming fires such as paper and grease fires. To ensure complete protection make sure to place one on each level of your home and in each bedroom.10-year limited warranty. No battery changes for the Life of the Alarm; 3V Lithium Power Cell Included. Ionization Sensor. States/cities where required.
More information #ad
Perfect mount allows for easy alignment of alarm. 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. Ionization Sensor. Alarm also features loud 85-decibel alarm, a single test/silence button, easy mounting bracket, and an end-of-life signal so you know when to replace the unit. Battery-operated unit provides continuous monitoring even if there's a power failure: Plus, it's easy to install. Perfect mount allows for easy alignment of alarm. No battery changes for the Life of the Alarm; 3V Lithium Power Cell Included. 10-year limited warranty.
Brand | FIRST ALERT #ad |
Manufacturer | First Alert #ad |
Height | 5.6 Inches |
Length | 5.6 Inches |
Weight | 0.01 Pounds |
Width | 2.25 Inches |
Part Number | FBA_0827B |
Model | 0827B |
Warranty | ------- |
More information #ad
3. FIRST ALERT
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1 Pack, White, Battery Operated, First Alert Powered Alarm SCO5CN Combination Smoke and Carbon Monoxide Detector
#adFIRST ALERT #ad - Battery operated unit installs quickly and easily without an electrician. Emits T3 Pattern. Low battery signal mute, quiets low battery signal for up to 8 hours. Features an electrochemical carbon monoxide sensing technology as well as a photoelectric sensor that detects the larger particles of a smoldering fire.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. 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.
More information #ad
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. It can ship within the US except New York. Simple to use, with a single test/silence button; EZ access battery drawer allows you to change battery without removing alarm from ceiling. Keep your family safe with this battery operated smoke and carbon monoxide alarm; Battery powered alarms provide continuous monitoring of CO levels, even if there's a power failure.
Brand | FIRST ALERT #ad |
Manufacturer | First Alert #ad |
Height | 5 Inches |
Length | 2 Inches |
Weight | 0.6 Pounds |
Width | 5 Inches |
Part Number | SCO5CN |
Model | SCO5CN |
Warranty | ------- |
More information #ad
4. FIRST ALERT
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White, First Alert BRK SCO2B Smoke and Carbon Monoxide CO Detector with 9V Battery
#adFIRST ALERT #ad - Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety. Latching alarm indicator remembers which unit initiated an alarm.Separate smoke and CO detects both dangers and eliminates the need for two separate alarms. Electrochemical CO Sensor is the most accurate technology available. End of life signal provides Audible Notice When Alarm Needs to be Replaced.
More information #ad
Separate smoke and co detects both dangers and eliminates the need for two separate alarms. Two locking features Pins Lock Battery Drawer and/or Alarm to Base. It can ship within the US except New York and California. Latching alarm indicator Remembers Which Unit Initiated an Alarm. Electrochemical co sensor is the most accurate technology available.Brand | FIRST ALERT #ad |
Manufacturer | First Alert #ad |
Height | 2 Inches |
Length | 5.6 Inches |
Weight | 0.59 Pounds |
Width | 5.6 Inches |
Part Number | SC02B |
Model | SCO2B |
Warranty | 7 Year Limited Warranty |
More information #ad
5. FIRST ALERT
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First Alert Slim Photoelectric Smoke Alarm with 10-Year Sealed Battery, White, PR710
#adFIRST ALERT #ad - Features loud 85-decibel alarm and single test/silence button. Complies with all current 10-year legislation in U. S. Equipped with photoelectric smoke sensor optimized to detect larger smoke particles produced by smoldering fires; helps minimize the number of false alarms.Patented smoke entry system allows for a direct path to the sensor. Meets ul217 standards and complies with legislative requirements for 10-year battery operated smoke alarms. States/cities where required.
More information #ad
Patented smoke entry system allows for a direct path to the photoelectric smoke sensor. Slim shape is half as thick as a standard smoke alarm; easy twist-lock mounting system and tamper-resistant design. 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. New sleek and thin design adds an element of style to safety. Nuisance free photoelectric technology reduces false alarms that result from cooking and shower steam. Powered by sealed, ten year lithium batteries to provide continuous protection for ten years without battery replacement.
Brand | FIRST ALERT #ad |
Manufacturer | First Alert #ad |
Height | 0.96 Inches |
Length | 4.92 Inches |
Weight | 1 Pounds |
Width | 4.92 Inches |
Part Number | PR710 |
Model | PR710 |
More information #ad
6. FIRST ALERT
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FIRST ALERT BRK SC9120FF Hardwired Smoke and Carbon Monoxide CO Detector with Battery Backup, White, 1 pack
#adFIRST ALERT #ad - Can connect to other compatible BRK or First Alert detectors, to ensure all alarms will sound when threat is detected. 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.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.
More information #ad
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. 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. Features an electrochemical carbon monoxide sensing technology as well as an ionization sensor for smoke detection. Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety. Rigorously tested to meet UL standards.
Brand | FIRST ALERT #ad |
Manufacturer | First Alert #ad |
Height | 1.9 Inches |
Length | 5.6 Inches |
Weight | 0.25 Pounds |
Width | 5.6 Inches |
Part Number | SC9120B |
Model | SC9120B |
Warranty | 7 Year Limited |
More information #ad
7. FIRST ALERT
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White, First Alert SCO7CN Combination Smoke and Carbon Monoxide Detector with Voice and Location, Battery Operated
#adFIRST ALERT #ad - Tells you whether the danger is smoke or carbon monoxide and where the threat is among up to 11 preprogrammed locations in your home. 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.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.
More information #ad
Simple to use, with a single test/silence button, and EZ access battery drawer allows you to change batteries without removing alarm from the ceiling. Features an electrochemical carbon monoxide sensing technology as well as a photoelectric sensor that detects the larger particles of a smoldering fire. Keep your family safe with this talking battery operated smoke and carbon monoxide alarm; it's equipped with voice and location, so you are alerted of the danger and where it originates from across your house. It can ship within the US except New York.
Brand | FIRST ALERT #ad |
Manufacturer | Petra Industries, Inc. - Consumer Electronics Replen #ad |
Height | 5 Inches |
Length | 5 Inches |
Weight | 0.75 Pounds |
Width | 2 Inches |
Part Number | SCO7CN |
Model | SCO7CN |
More information #ad
8. FIRST ALERT
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Hardwired Alarm with Battery Backup, 1-Pack, First Alert 9120B Smoke Detector
#adFIRST ALERT #ad - To ensure complete protection make sure to place one on each level of your home and in each bedroom. Keep your family safe with this hardwired smoke alarm the battery backup means constant monitoring, even if there's a power failure.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. Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety.
More information #ad
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. Equipped with an ionization sensor, this smoke alarm reliably detects smoke from fast flaming fires and alerts you with an 85 decibel alarm. Can connect to other compatible BRK or first alert smoke detectors, to ensure all alarms will sound when smoke is detected.
Brand | FIRST ALERT #ad |
Manufacturer | First Alert #ad |
Height | 2.2 Inches |
Length | 5.6 Inches |
Weight | 0.05 Pounds |
Width | 5.6 Inches |
Part Number | 9120BFF |
Model | 9120B |
Warranty | 10 Year Limited |
More information #ad
9. First Alert
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First Alert BRK PRC710 Smoke and Carbon Monoxide Alarm with Built-In 10-Year Battery , White
#adFirst Alert #ad - 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 alarms.Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety. Features a sleek, low profile design to blend more fully into the wall and out of sight. S.
More information #ad
States/cities where required. A loud 85 decibel alarm sounds when Carbon Monoxide, and Smoke levels begin to rise. 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. Rigorously tested to meet UL standards. Complies with all current 10 year legislation in U. 10-year limited ; equipped with end-of-life signal chirp, so you know when it’s time to replace the unit for your safety the date printed on the item is the manufacturing date, not the expiration date.
Brand | First Alert #ad |
Manufacturer | First Alert #ad |
Height | 0.96 Inches |
Length | 4.92 Inches |
Weight | 1.4 Pounds |
Width | 4.92 Inches |
Part Number | PRC710 |
Model | PRC710 |
More information #ad
10. FIRST ALERT
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Battery Operated, First Alert SA511CN2-3ST Wireless Interconnected Smoke Alarm with Voice Location, 2 Pack , WHITE
#adFIRST ALERT #ad - Equipped with photoelectric smoke sensor optimized to detect larger smoke particles produced by smoldering fires; Helps minimize the number of false alarms. Wirelessly connect upto 18 first alert enabled alarms for the maximum in whole home protection; includes test/silence button, low battery warning, end of life timer.Battery powered alarm requires no rewiring for installation and provides continued monitoring even if there's a power failure; use with Polaroid AA batteries for best results.
More information #ad
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. Voice alarm with 11 programmable locations tells you where the danger is so you can choose the best evacuation route; Loud, 85-decibel siren sounds to alert you to danger. Help keep your family safe with these battery operated smoke alarms that wirelessly interconnect with each other and other First Alert enabled alarms so that all sound when one is activated, creating a home safety network; comes in a pack of 2 alarms.
Brand | FIRST ALERT #ad |
Manufacturer | First Alert #ad |
Height | 0 Inches |
Length | 0 Inches |
Weight | 0.65 Pounds |
Width | 0 Inches |
Part Number | SA511CN2-3ST |
Model | SA511CN2-3ST |
Warranty | 10 year |
More information #ad