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Ul listed, 10-year limited warranty. Ionization sensing technology may detect invisible fire particles, associated with flaming fires, quickly and sound an 85dB alarm.

120v ac, all kidde brand hard wired smoke alarms are interconnectable with the KN-COSM-IBA. Fire & co detector in 1 unit with alert modes, & voice alarm, "Warning! Carbon Monoxide!", led lights, that states, "Fire! Fire!", or "Low Battery!".





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. 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.


Tamper resist locking feature deters alarm theft. Easy installation - front battery pull tab allows battery activation without removing alarm from mounting bracket.
Interconnectable with up to 24 devices of which 18 can be initiating including smoke, CO and heat alarms. See user’s guide for complete instructions. Temperature range: 40 degree Fahrenheit to 100 degree Fahrenheit. Large mounting base makes mounting easier, protects surface paint from dirt and covers imperfections.
1. Kidde
#ad
Kidde Smoke Detector, Hardwired Smoke Alarm with Battery Backup, Test-Silence Button
#adKidde #ad - Test-hush feature - silences the smoke detector for approximately 7 minutes. Ionization sensing technology - hardwired smoke detector detects invisible fire particles, 85 decibel alarm alerts of fire.More information #ad
Whole home family protection – easily install 1 fire detector on each level of your home & in your bedroom. Protects during a power failure - smoke alarm with battery backup operates on a 120V power source with 9V battery in front-load battery door. Ul certified, 10-year limited warranty.Brand | Kidde #ad |
Manufacturer | Kidde Safety #ad |
Height | 6 Inches |
Length | 6 Inches |
Weight | 0.5 Pounds |
Width | 2 Inches |
Part Number | 21029730 |
Model | i12060A |
Warranty | 5 Year Limited |
More information #ad
2. Kidde
#ad
Pack of 6, Kidde Smoke Detector, Hardwired Smoke Alarm with Battery Backup Included, Interconnect
#adKidde #ad - Whole home family protection - place 1 fire alarm on each level of your home & in your bedroom; maximum of 24 Kidde devices can be interconnected.Ul listed, 10-year limited warranty. Ionization sensing technology may detect invisible fire particles, associated with flaming fires, quickly and sound an 85dB alarm.
More information #ad
Package contains 6 Kidde smoke detectors. Hardwired smoke detector with battery backup included ensures that you'll be alerted to a fire, even during a power outage. Large base makes mounting easy, while a front battery pull lets you activate the smoke alarm without removing it from the mounting bracket.Brand | Kidde #ad |
Manufacturer | Kidde #ad |
Height | 5.6 Inches |
Length | 2.36 Inches |
Weight | 0.6 Pounds |
Width | 1.55 Inches |
Part Number | i12040 |
Model | I12040A |
Warranty | 10 year limited manufacturer |
More information #ad
3. Kidde
#ad
Kidde Smoke & Carbon Monoxide Detector, Hardwired, Voice Alert, Interconnect Combination Smoke & CO Alarm with Battery Backup
#adKidde #ad - Ul certified, 10-year limited warranty. Ionization sensing technology - hardwired smoke detector detects invisible fire particles, 85 decibel alarm alerts of fire.120v ac, all kidde brand hard wired smoke alarms are interconnectable with the KN-COSM-IBA. Fire & co detector in 1 unit with alert modes, & voice alarm, "Warning! Carbon Monoxide!", led lights, that states, "Fire! Fire!", or "Low Battery!".
More information #ad
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. 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 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
4. Kidde
#ad
Test-Silence Button, Kidde Smoke Detector, Hardwired Smoke Alarm with Lithium Battery Backup, Interconnect
#adKidde #ad - Whole home family protection - place 1 fire detector on each level of your home & in your bedroom - maximum of 24 Kidde smoke or CO detectors can be interconnected in a multiple stations. Ionization sensing technology - hardwired smoke detector detects visible fire particles, 85 decibel alarm alerts of fire.More information #ad
Ul certified, 10-year limited warranty. Test-hush feature - silences the unit for approximately 9 minutes. Protects during a power failure - smoke alarm operates on a 120V power source with 3V lithium battery backup.Brand | Kidde #ad |
Manufacturer | Kidde Safety #ad |
Height | 5.5 Inches |
Length | 5.5 Inches |
Weight | 0.45 Pounds |
Width | 1.75 Inches |
Part Number | 21029760 |
Model | i12010S |
Warranty | 10 year limited warranty |
More information #ad
5. Kidde
#ad
Interconnect Combination Smoke & CO Alarm with Battery Backup, Kidde Smoke & Carbon Monoxide Detector, Voice Alert, Hardwired
#adKidde #ad - Fire & co detector in 1 unit with alert modes, "warning! Carbon Monoxide!", that states, LED lights, "Fire! Fire!", & voice alarm, or "Low Battery!". Ul certified, 10-year limited warranty. Test-hush feature - silences the unit for approximately 8 minutes; tamper-resistant technology deters removal of the unit from the wall or ceiling.More information #ad
Protects during a power failure - combo smoke and CO detector operates on a 120V power source with 9V front-loading battery backup. Photoelectric sensor technology - hardwired smoke detector detects visible fire particles, 85 decibel alarm alerts of fire.Brand | Kidde #ad |
Manufacturer | Kidde Safety #ad |
Height | 1.85 Inches |
Length | 5.79 Inches |
Weight | 0.7 Pounds |
Width | 5.79 Inches |
Part Number | 21029735 |
Model | KN-COPE-IC |
Warranty | 7 year limited |
More information #ad
6. Kidde
#ad
Pack of 2, Voice Alert, Hardwired, Kidde Smoke & Carbon Monoxide Detector, Interconnect Combination Smoke & CO Alarm with Battery Backup
#adKidde #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.More information #ad
Fire & co detector in 1 unit with alert modes, led lights, "Fire! Fire!", & voice alarm, that states, "Warning! Carbon Monoxide!", 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.Brand | Kidde #ad |
Manufacturer | Kidde #ad |
Height | 5.6 Inches |
Length | 2.64 Inches |
Weight | 0.75 Pounds |
Width | 1.8 Inches |
Part Number | 900-0114A |
Model | KN-COSM-IBA |
Warranty | 10 year limited manufacturer |
More information #ad
7. Kidde
#ad
Kidde Smoke Detector, Smoke Alarm with LED Lights, Hardwired with Battery Backup & Interconnect
#adKidde #ad - Protects during a power failure - smoke alarm operates on a 120V power source with 9V battery backup. Ul certified, 10-year limited warranty. Test-hush feature - silences the unit for approximately 7 minutes. Photoelectric sensing technology - hardwired smoke detector detects visible fire particles associated with smoldering fires, 85 decibel alarm alerts of fire.More information #ad
Whole home family protection - place 1 fire detector on each level of your home & in your bedroom - maximum of 24 Kidde smoke or CO detectors can be interconnected in a multiple stations.Brand | Kidde #ad |
Manufacturer | Kidde Safety #ad |
Height | 6 Inches |
Length | 2 Inches |
Width | 6 Inches |
Part Number | 21006371 |
Model | P12040 |
Warranty | 5 Year Limited |
More information #ad
8. Kidde
#ad
Voice Warning, Hardwired with 10-Year Battery Backup, Kidde Smoke & Carbon Monoxide Detector
#adKidde #ad - 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.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. 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
Ul certified, 10-year limited warranty. 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
9. Kidde
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White, Kidde I4618AC Alarm Hardwire Smoke Detector with 9V Backup and Front Load Battery Door | Model i4618
#adKidde #ad - Pre-stripped wiring harness with easy-off caps ensures quick installation. Front load battery Compartment for easy battery replacement.More information #ad
Hush alarm control button silences nuisance alarms. 360° mounting bracket allows mounting from any angle. 9-volt battery backup provides protection during power outages.Brand | Kidde #ad |
Manufacturer | Kidde Safety #ad |
Height | 6 Inches |
Length | 2 Inches |
Weight | 0.6 Pounds |
Width | 6 Inches |
Part Number | 21007581 |
Model | I4618AC |
Warranty | 5-year limited |
More information #ad
10. Kidde
#ad
4 Pack, Kidde i4618AC Hardwire Smoke Alarm
#adKidde #ad - User-friendly features - easy access front loading battery door. Battery backup provides protection in case of power failure. Tinned strands increase conductivity and wire nut grip. Pre-stripped wiring harness with easy off cap does not require stripper tool.Tamper resist locking feature deters alarm theft. Easy installation - front battery pull tab allows battery activation without removing alarm from mounting bracket.
More information #ad
Fewer callbacks - large centrally located Test/Hush alarm control button. Alarm memory flashes red led indicating which unit was the initiating alarm in interconnected system. Dust cover protects sensor from contaminates during construction reducing nuisance alarms. Interconnectable with up to 24 devices of which 18 can be initiating including smoke, CO and heat alarms. See user’s guide for complete instructions. Temperature range: 40 degree Fahrenheit to 100 degree Fahrenheit. Large mounting base makes mounting easier, protects surface paint from dirt and covers imperfections.
Brand | Kidde #ad |
Manufacturer | Kidde #ad |
Part Number | 748427903060 |
Model | i4618AC |
More information #ad