Cutting Edge Technology
Firmware technology detects fires fast to give you more time to get out & reduces nuisance alarms.
Power Outage Protection
10-Year† backup battery helps you stay protected even during power outages
Interconnect Capability*
Alarm uses hardwiring to connect with other Kidde alarms, when one goes off they all do.
Notifications
Alarm will beep & blink red, voice alerts announce "Fire!" or "Warning! Carbon Monoxide”
Kidde Smoke & Carbon Monoxide Combination Battery Detectors
 Hardwired Combo Alarm |  Hardwired Combo Alarm |  Hardwired Combo Alarm |  Hardwired Combo Alarm | |
|---|---|---|---|---|
Customer Reviews | — | — | — | — |
Price | — | — | — | — |
Detection Type | Smoke & Carbon Monoxide | Smoke & Carbon Monoxide | Smoke & Carbon Monoxide | Smoke & Carbon Monoxide |
Power Source | Hardwired; 10-Yr Battery | Hardwired; 2 AA Battery Backup | Hardwired; 10-Yr Battery | Hardwired; 2 AA Battery Backup |
No Battery Replacements Needed | Yes | — | Yes | — |
Voice Alerts | Yes | Yes | — | — |
Interconnect Capabilities | Yes | Yes | Yes | Yes |
Reduced Nuisance Alarms | Yes | Yes | Yes | Yes |
Meets UL 217 | 9th Edition | 9th Edition | 9th Edition | 9th Edition |
Meets UL 2034 | 4th Edition | 4th Edition | 4th Edition | 4th Edition |
Self Testing | Yes | Yes | Yes | Yes |
UL Listed | Yes | Yes | Yes | Yes |
Interconnected Alarms*
When one alarm sounds, they all sound, so you never miss an emergency and can get out faster.
No Low Battery Chirps
10-Year backup battery† lasts the entire life of the device. This alarm beeps to remind you it’s time to replace it 10 years after it is powered.
Voice Alerts
Crystal-clear voice alerts tell you exactly why your alarm is sounding so you can react quickly.
UL Certified
Designed to the latest UL standard for safety and reliability.
Reduced Nuisance Alarms
Enhanced sensing technology reduces false alarms often caused by cooking.
Self Testing**
Internal components ensure alarm is always operating as expected.
Cutting Edge Technology
Firmware technology detects fires fast to give you more time to get out & reduces nuisance alarms.
Power Outage Protection
10-Year† backup battery helps you stay protected even during power outages
Interconnect Capability*
Alarm uses hardwiring to connect with other Kidde alarms, when one goes off they all do.
Notifications
Alarm will beep & blink red, voice alerts announce "Fire!" or "Warning! Carbon Monoxide”
Kidde Smoke & Carbon Monoxide Combination Battery Detectors
Hardwired Combo Alarm | Hardwired Combo Alarm | Hardwired Combo Alarm | Hardwired Combo Alarm |
|---|---|---|---|
| Customer Reviews | |||
| — | — | — | — |
| Price | |||
| — | — | — | — |
| Detection Type | |||
| Smoke & Carbon Monoxide | Smoke & Carbon Monoxide | Smoke & Carbon Monoxide | Smoke & Carbon Monoxide |
| Power Source | |||
| Hardwired; 10-Yr Battery | Hardwired; 2 AA Battery Backup | Hardwired; 10-Yr Battery | Hardwired; 2 AA Battery Backup |
| No Battery Replacements Needed | |||
| Yes | — | Yes | — |
| Voice Alerts | |||
| Yes | Yes | — | — |
| Interconnect Capabilities | |||
| Yes | Yes | Yes | Yes |
| Reduced Nuisance Alarms | |||
| Yes | Yes | Yes | Yes |
| Meets UL 217 | |||
| 9th Edition | 9th Edition | 9th Edition | 9th Edition |
| Meets UL 2034 | |||
| 4th Edition | 4th Edition | 4th Edition | 4th Edition |
| Self Testing | |||
| Yes | Yes | Yes | Yes |
| UL Listed | |||
| Yes | Yes | Yes | Yes |