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Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety. 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.
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 an ionization sensor that detects the fine particles of a fast-burning fire.


Keep your family safe with this 6-pack of talking hardwired smoke and carbon monoxide alarms; they're equipped with voice and location, so you are alerted of the danger and where it originates from across your house.
Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety. 10-year limited warranty; equipped with end-of-life signal chirp, so you know when it's time to replace the unit for your safety. Rigorously tested to meet UL standards. Can connect to other compatible BRK or First Alert detectors, to ensure all alarms will sound when threat is detected.


Led lights indicate the alarm's status, with a voice warning to indicate which type of threat is present; a Hush feature silences nuisance alarms, while the end-of-life alert lets you know when it's time to replace the unit.


Simple to use: the test/silence button of this smoke alarm carbon monoxide alarm 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 instantly alert the entire household, even those in sleep.
2 alarm types for more convenient: different alarm patterns of this carbon monoxide alarm and smoke alarm tell you it is either smoke or carbon monoxide is detected without checking the LCD display; smoke alarm: delivers 3 long beeps every 1. 5 seconds and the red led flashes with the alarm sound; CO alarm: delivers 4 quick beeps every 5. 8 seconds and the red LED flashes with the alarm sound.

6 pack of 120-volt hardwired combination photoelectric smoke and electrochemical Carbon monoxide alarms with battery backup. Features convenient 2-aA battery backup, silence/test button, dust cover, 85-decibel alarm.

120v ac, all kidde brand hard wired smoke alarms are interconnectable with the KN-COSM-IBA. Meets safety standards set by Underwriters Laboratories UL and interconnects with other KN-COSM-IBA models. Test-hush feature - silences the unit for approximately 9 minutes; tamper-resistant technology deters removal of the unit from the wall or ceiling.
1. FIRST ALERT
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First Alert BRK SC9120B-6 Hardwired Smoke and Carbon Monoxide Detector CO with Battery Backup. 6-Pack , White
#adFIRST ALERT #ad - Can connect to other compatible BRK or First Alert detectors, to ensure all alarms will sound when threat is detected. Keep your family safe with this 6-pack of hardwired smoke and carbon monoxide alarms; The battery backup means constant monitoring, even if there's a power failure.Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety. 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.
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. 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 an ionization sensor that detects the fine particles of a fast-burning fire.
Brand | FIRST ALERT #ad |
Manufacturer | First Alert #ad |
Height | 2.2 Inches |
Length | 5.6 Inches |
Weight | 0.7 Pounds |
Width | 5.6 Inches |
Part Number | SC9120BFF-6 |
Model | BRK SC9120B-6 |
More information #ad
2. Kidde
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Interconnect Combination Smoke & CO Alarm with Battery Backup, Voice Alert, Pack of 6, Kidde Smoke & Carbon Monoxide Detector, Hardwired
#adKidde #ad - Fire & co detector in 1 unit with alert modes, & voice alarm, LED lights, "Warning Carbon Monoxide", that states, "Fire Fire", or "Low Battery". Ul certified, 10-year limited warranty. Test-hush feature - silences the unit for approximately 9 minutes; tamper-resistant technology deters removal of the unit from the wall or ceiling.More information #ad
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.Brand | Kidde #ad |
Manufacturer | Kidde #ad |
Height | 5.6 Inches |
Length | 2.64 Inches |
Weight | 0.74 Pounds |
Width | 1.8 Inches |
Part Number | 900-0114A |
Model | KN-COSM-IBA |
Warranty | 10 year limited manufacturer |
More information #ad
3. FIRST ALERT
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FIRST ALERT BRK SC7010BV-6 Hardwired Smoke and Carbon Monoxide CO Detector with Photoelectric Sensor, 6-Pack
#adFIRST ALERT #ad - Tells you whether the danger is smoke or carbon monoxide and where the threat is among up to 11 pre-programmed locations in your home. 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.Keep your family safe with this 6-pack of talking hardwired smoke and carbon monoxide alarms; they're equipped with voice and location, so you are alerted of the danger and where it originates from across your house.
More information #ad
Optipath 360 Technology. Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety. 10-year limited warranty; equipped with end-of-life signal chirp, so you know when it's time to replace the unit for your safety. Rigorously tested to meet UL standards. Can connect to other compatible BRK or First Alert detectors, to ensure all alarms will sound when threat is detected.
Brand | FIRST ALERT #ad |
Manufacturer | First Alert #ad |
Height | 2.38 Inches |
Length | 5.13 Inches |
Weight | 0.74 Pounds |
Width | 5.13 Inches |
Part Number | SC7010BVFF-6 |
Model | BRK SC7010BV-6 |
Warranty | 10 Year Limited |
More information #ad
4. Kidde
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Interconnect Combination Smoke & CO Alarm with Battery Backup, White, Hardwired, Kidde Smoke & Carbon Monoxide Detector, Voice Alert, Pack of 6
#adKidde #ad - Fire & co detector in 1 unit with alert modes, that states, & voice alarm, "Fire Fire", LED lights, "warning Carbon Monoxide", or "Low Battery". Ul certified, 10-year limited warranty. Protects during a power failure - combo smoke and CO detector operates on a 120V power source with 9V front-loading battery backup.More information #ad
Photoelectric sensor technology - hardwired smoke detector detects visible fire particles, 85 decibel alarm alerts of fire. Test-hush feature - silences the unit for approximately 8 minutes; tamper-resistant technology deters removal of the unit from the wall or ceiling.Brand | Kidde #ad |
Manufacturer | Kidde #ad |
Height | 5.79 Inches |
Length | 2.64 Inches |
Weight | 0.7 Pounds |
Width | 1.85 Inches |
Part Number | 900-0213 |
Model | KN-COPE-IC |
Warranty | 10 year limited manufacturer |
More information #ad
5. Kidde
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Hardwired with 10-Year Battery Backup, Voice Warning, Kidde Smoke & Carbon Monoxide Detector
#adKidde #ad - Ul certified, 10-year limited warranty. Intelligent technology – smoke and carbon monoxide detector combines ionization & electrochemical sensors to detect invisible fire particles & CO gas; 85dB alarm and voice warning sound when hazard is detected.Led lights indicate the alarm's status, with a voice warning to indicate which type of threat is present; a Hush feature silences nuisance alarms, while the end-of-life alert lets you know when it's time to replace the unit.
More information #ad
Hardwired alarm contains a 10-year tamper proof backup battery to protect your home and family during power outages, eliminates the need for battery replacement. Smart interconnect allows you to connect up to 24 Kidde devices, giving you trusted protection throughout your home.Brand | Kidde #ad |
Manufacturer | Kidde Safety #ad |
Height | 5.5 Inches |
Length | 5.5 Inches |
Width | 1.5 Inches |
Part Number | 21029756 |
Model | i12010SCO |
Warranty | 10 year limited warranty |
More information #ad
6. FIRST ALERT
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White, First Alert BRK 7010BFF-6 Hardwired Smoke Detector with Photoelectric Sensor and Battery Backup, 6-Pack
#adFIRST ALERT #ad - 6 pack of 120-volt hardwire smoke alarms with photoelectric sensor and battery backup. Inter-connectable with BRK and First Alert hardwired smoke and Carbon monoxide alarms. Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety.More information #ad
Backed by 10-year limited and tested to meet UL 217 standards. Features convenient 9 volt battery backup, silence/test button, dust cover, 85-decibel alarm. Intuitive latching alarm indicator identifies which unit triggered alarm. 85 decibel alarm.Brand | FIRST ALERT #ad |
Manufacturer | First Alert #ad |
Height | 16.5 Inches |
Length | 6 Inches |
Weight | 0.7 Pounds |
Width | 5 Inches |
Part Number | 7010BFF-6 |
Model | 7010BFF-6 |
More information #ad
7. X-Sense
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Compliant with UL 217 & UL 2034 Standards, Silence Button & LED Indicator, X-Sense SC03 10-Year Battery Not Hardwired Smoke and Carbon Monoxide Detector Alarm, 5-Pack, Auto-Check
#adX-Sense #ad - 10-year battery life: this combination smoke alarm and carbon monoxide alarm provides 10 years of continuous power with a built-in lithium battery; provides continuous monitoring of smoke and CO levels, even if there's a power failure; an end-of-life signal will let you know when it’s time to replace the unit for safety. Easy installation with guaranteed quality: x-sense smoke carbon monoxide alarm combo requires no rewiring; easy to mount on any wall or ceiling without an electrician; all X-SENSE CO alarm and smoke alarm are rigorously tested to meet UL 217 and UL 2034 safety standards; comes with a 60-day money-back guarantee and 5-year warranty.Simple to use: the test/silence button of this smoke alarm carbon monoxide alarm 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 instantly alert the entire household, even those in sleep.
More information #ad
Fewer false alarms: x-sense carbon monoxide fire alarm is equipped with combination photoelectric smoke and electrochemical CO sensors that work independently of each other; instantly notifies you when dangerous smoke or CO concentration is detected while minimizing false alarms; provides the ultimate protection from 2 deadly threats, all contained in 1 unit. 2 alarm types for more convenient: different alarm patterns of this carbon monoxide alarm and smoke alarm tell you it is either smoke or carbon monoxide is detected without checking the LCD display; smoke alarm: delivers 3 long beeps every 1. 5 seconds and the red led flashes with the alarm sound; CO alarm: delivers 4 quick beeps every 5. 8 seconds and the red LED flashes with the alarm sound.
Brand | X-Sense #ad |
Manufacturer | X-Sense #ad |
Height | 2 Inches |
Length | 5.7 Inches |
Weight | 4.54 Pounds |
Width | 5.7 Inches |
Part Number | SC03 |
Model | SC03 |
Warranty | 60-day money-back guarantee, 5-year quality warranty, and lifetime technical support |
More information #ad
8. FIRST ALERT
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First Alert BRK SC7010B-6 Hardwired Smoke and Carbon Monoxide CO Detector with Battery Backup, 6-Pack
#adFIRST ALERT #ad - Spread spectrum horn is a lower frequencies horn that make it easier for the elderly with normal Aged Related hearing loss to hear the horn.6 pack of 120-volt hardwired combination photoelectric smoke and electrochemical Carbon monoxide alarms with battery backup. Features convenient 2-aA battery backup, silence/test button, dust cover, 85-decibel alarm.
More information #ad
Intuitive latching alarm feature remembers which unit initiated an alarm, while the low battery latch gives a visual indication unit is in low battery condition. Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety.Brand | FIRST ALERT #ad |
Manufacturer | First Alert #ad |
Height | 2 Inches |
Length | 5 Inches |
Weight | 0.74 Pounds |
Width | 5 Inches |
Part Number | SC7010BFF-6 |
Model | BRK SC7010B-6 |
More information #ad
9. Kidde
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Hardwired, Voice Alert, Kidde Smoke & Carbon Monoxide Detector, Interconnect Combination Smoke & CO Alarm with Battery Backup
#adKidde #ad - Ul certified, 10-year limited warranty. Protects during a power failure - combo smoke and CO detector operates on a 120VAC power source with 2-AA battery backup.120v ac, all kidde brand hard wired smoke alarms are interconnectable with the KN-COSM-IBA. Meets safety standards set by Underwriters Laboratories UL and interconnects with other KN-COSM-IBA models. Test-hush feature - silences the unit for approximately 9 minutes; tamper-resistant technology deters removal of the unit from the wall or ceiling.
More information #ad
Fire & co detector in 1 unit with alert modes, led lights, & voice alarm, that states, "warning! carbon Monoxide!", "Fire! Fire!", or "Low Battery!". Ionization sensing technology - hardwired smoke detector detects invisible fire particles, 85 decibel alarm alerts of fire.Brand | Kidde #ad |
Manufacturer | Kidde Safety #ad |
Height | 6 Inches |
Length | 2 Inches |
Weight | 1 Pounds |
Width | 6 Inches |
Part Number | 21026041 |
Model | KN-COSM-IBA |
Warranty | 10 Year Limited |
More information #ad