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Separate smoke and co detects both dangers and eliminates the need for two separate alarms. Separate smoke and CO detects both dangers and eliminates the need for two separate alarms.


Battery operated alarm unit provides continuous monitoring even if there's a power failure; Plus, it's easy to install. It can ship within the US except New York. Tamper resistant alarm also features a single test/silence button, side battery door, and missing battery guard.

Alarm features an ionization sensor for smoke detection, which is effective in recognizing smoke from flaming fires such as paper and grease fires. No battery changes for the Life of the Alarm; 3V Lithium Power Cell Included.
Complies with all current 10-year legislation in U. S. Same features as sa340cn and SA340B but adds Sealed Battery Technology. Perfect mount allows for easy alignment of alarm. To ensure complete protection make sure to place one on each level of your home and in each bedroom. Battery-operated unit provides continuous monitoring even if there's a power failure: Plus, it's easy to install.

Highest quality, most accurate electrochemical co sensor technology. End of Life Signal. Two silence features silence Low Battery Chirp For up to 8 Hours.



10-year carbon monoxide sensor. Co detector looks out for carbon monoxide and tells you where it's located. Split spectrum sensor looks for both fast burning and smoldering, and tells you where the danger is.
Simply walk to the Nest Protect that noticed the problem and open the Nest app. 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. 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. Carbon monoxide is odorless, invisible and deadly.
1. FIRST ALERT
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1", White, First Alert BRK FG250B Dual Ionization Smoke Alarm with 9-Volt Battery
#adFIRST ALERT #ad - Tamper resistant locking Pin Locks, Alarm Cover to Prevent Removal of Battery. 9v battery Included. Dual ionization Sensing Chamber. Approved for RV Use. Silence feature Silences Nuisance Alarms. Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety.More information #ad
Brand | FIRST ALERT #ad |
Manufacturer | First Alert #ad |
Height | 1.6 Inches |
Length | 4.25 Inches |
Weight | 0.2 Pounds |
Width | 4.25 Inches |
Part Number | FG250B |
Model | FG250B |
Warranty | 10 Year Limited Warranty |
More information #ad
2. Rayovac
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9 Volt Battery Recloseable Pack, 12 Count, Rayovac 9V Batteries
#adRayovac #ad - 100% money Back Guarantee. Rayovac lasts as Long as Energizer Max. Guaranteed fresh for 5 Years. Best used before date on battery. Mercury Free formula.More information #ad
Brand | Rayovac #ad |
Manufacturer | Rayovac #ad |
Height | 2.06 Inches |
Length | 4 Inches |
Weight | 1.29 Pounds |
Width | 3.69 Inches |
Part Number | AL9V-12PPJ |
Model | AL9V-12PPJ |
More information #ad
3. FIRST ALERT
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First Alert BRK SCO2B Smoke and Carbon Monoxide CO Detector with 9V Battery , White
#adFIRST ALERT #ad - Two locking features Pins Lock Battery Drawer and/or Alarm to Base. It can ship within the US except New York and California. Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety.Separate smoke and co detects both dangers and eliminates the need for two separate alarms. Separate smoke and CO detects both dangers and eliminates the need for two separate alarms.
More information #ad
Electrochemical CO Sensor is the most accurate technology available. Electrochemical co sensor is the most accurate technology available. End of life signal provides Audible Notice When Alarm Needs to be Replaced. Latching alarm indicator Remembers Which Unit Initiated an Alarm. Latching alarm indicator remembers which unit initiated an alarm.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
4. Kidde
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Kidde Smoke Detector, Battery Included,Pack of 1, Battery Powered Smoke Alarm with Test Button
#adKidde #ad - Easy installation - no hardwiring required: mounts easily to the ceiling with bracket included, easy battery replacement at the back of the alarm. Basic smoke detector with a red LED to indicate that the alarm is receiving power and a test button to confirm that it's working.More information #ad
Powered by a 9-volt battery included, the Kidde smoke alarm protects your family even during a power outage. Low battery warning chirp indicates when the battery needs replacement. Ul certified, 10-year limited warranty.Brand | Kidde #ad |
Manufacturer | Kidde Safety #ad |
Height | 1 Inches |
Length | 2 Inches |
Weight | 1 Pounds |
Width | 1 Inches |
Part Number | i9050 |
Model | i9050 |
More information #ad
5. FIRST ALERT
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First Alert SA303CN3 Battery Powered Ionization Smoke Alarm with Test/Silence Button , White
#adFIRST ALERT #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.Battery operated alarm unit provides continuous monitoring even if there's a power failure; Plus, it's easy to install. It can ship within the US except New York. Tamper resistant alarm also features a single test/silence button, side battery door, and missing battery guard.
More information #ad
Ionization sensor 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. 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.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
6. FIRST ALERT
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First Alert 0827B Ionization Smoke Alarm with 10-Year Sealed Tamper-Proof Battery , White
#adFIRST ALERT #ad - Ionization Sensor. Perfect mount allows for easy alignment of alarm. No battery changes for the Life of the Alarm; 3V Lithium Power Cell Included. 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.Alarm features an ionization sensor for smoke detection, which is effective in recognizing smoke from flaming fires such as paper and grease fires. No battery changes for the Life of the Alarm; 3V Lithium Power Cell Included.
More information #ad
Ionization Sensor. 10-year limited warranty. States/cities where required. 10-year limited warranty. 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. Complies with all current 10-year legislation in U. S. Same features as sa340cn and SA340B but adds Sealed Battery Technology. Perfect mount allows for easy alignment of alarm. To ensure complete protection make sure to place one on each level of your home and in each bedroom. Battery-operated unit provides continuous monitoring even if there's a power failure: Plus, it's easy to install.
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
7. FIRST ALERT
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FIRST ALERT Carbon Monoxide Alarm | BRK CO250 Battery Operated Carbon Monoxide Detector With 9-Volt Battery & Two Silence Features
#adFIRST ALERT #ad - 9v battery Included. Features, 9-volt battery and all necessary mounting hardware. Helpful, 2 silence features that silence both alarm and low-battery chirp.Highest quality, most accurate electrochemical co sensor technology. End of Life Signal. Two silence features silence Low Battery Chirp For up to 8 Hours.
More information #ad
Convenient, end of life chirping signal. Electrochemical CO Sensor is the most accurate technology available. Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety. Tamper resistant locking Pin Locks Alarm Cover to Prevent Removal of Battery.Brand | FIRST ALERT #ad |
Manufacturer | First Alert #ad |
Height | 1.6 Inches |
Length | 4.25 Inches |
Weight | 0.39 Pounds |
Width | 4.25 Inches |
Part Number | CO250B |
Model | CO250B |
Warranty | 7 Year Limited Warranty |
More information #ad
8. Kidde
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Kidde Battery Dual Photoelectric and Ionization Sensor Smoke Detector Alarm | Model Pi9010
#adKidde #ad - Model number: Pi9010 Kidde's smoke alarms meet the requirements of underwriters Laboratories Ul, An Independent Facility That Tests Products For Compliance With Widely-Accepted Safety Standards.More information #ad
Hush feature Temporarily Silences Nuisance Alarms. The kidde pi9010 is a 9V battery powered smoke alarm.Brand | Kidde #ad |
Manufacturer | Kidde Safety #ad |
Height | 2.2 Inches |
Length | 11.3 Inches |
Width | 7.6 Inches |
Part Number | 21026062-N |
Model | 21026062-N |
More information #ad
9. Kidde
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Kidde PE9 P9050 Battery-Operated Photoelectric Sensor Smoke Alarm
#adKidde #ad - Protects during a power failure - smoke alarm operates on one, 9-volt battery included in the back of the unit. Easy to install - no wiring needed. Basic smoke detector, cost-effective and easy to operate to help protect your home & family.More information #ad
Ul certified, 10-year limited warranty. Single test/hush button - ensure that the alarm is working and silence false alarms.Brand | Kidde #ad |
Manufacturer | Kidde Safety #ad |
Height | 1 Inches |
Length | 1 Inches |
Weight | 0.3 Pounds |
Width | 1 Inches |
Part Number | 21026053 |
Model | p9050 |
Warranty | 5 Year Limited |
More information #ad
10. Google
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Smoke Alarm, Smoke Detector and Carbon Monoxide Detector, S3000BWES, Google Nest Protect, Battery Operated , White
#adGoogle #ad - Get phone alerts so you know something's wrong even when you're away from home1. Nest protect is the first alarm you can hush from your phone. Split-spectrum sensor. App silence. When there’s co, nest Protect tells you where it’s hiding. Nest protect uses two wavelengths of light to look for both fast and slow burning fires.10-year carbon monoxide sensor. Co detector looks out for carbon monoxide and tells you where it's located. Split spectrum sensor looks for both fast burning and smoldering, and tells you where the danger is.
More information #ad
Heads-up. Tells you what and where. 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. Simply walk to the Nest Protect that noticed the problem and open the Nest app. 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. 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. Carbon monoxide is odorless, invisible and deadly.
Brand | Google #ad |
Manufacturer | Google Nest #ad |
Height | 5.3 Inches |
Length | 5.3 Inches |
Weight | 1 Pounds |
Width | 1.5 Inches |
Part Number | S3000BWES |
Model | 06A |
More information #ad