Hardwired + Wire-Free Compatibility*
Wired alarms communicate through physical wiring. Add a hardwired + wire-free alarm to connect existing hardwire interconnected alarms and battery alarms, depending on what works best for the space.
Hardwired + Wire-Free Interconnect
Extend detection to additions, basements, and other hard-to-wire areas with a 120V hardwired alarm that bridges wired and wire-free detectors using both wired and wireless signals.
Complete Home Smoke Detection
Wire-free connectivity creates a fully interconnected fire safety system*. Connect up to 12 compatible alarms for full-home smoke detection.
Kidde Smoke Detectors
 Smoke, 20SAR-VRF |  Smoke, 20SDR-VRF |  Smoke, 20SA10-V |  Smoke + CO, 30CUAR-VRF |  Smart Smoke, 20SAR-W | |
|---|---|---|---|---|---|
Customer Reviews | — | — | — | — | — |
Price | — | — | — | — | — |
Detection Type | Smoke | Smoke | Smoke | Smoke + Carbon Monoxide | Smoke |
Power Source | Hardwired + AA Battery | AA Battery | Hardwired + 10yr Battery | Hardwired+ AA Battery | Hardwired+ AA Battery |
Interconnect Type | Wire-Free | Wire-Free | Wired | Wire-Free | Wired |
Voice Alerts | Yes | Yes | Yes | Yes | No |
Reduced Nuisance Alarms | Yes | Yes | Yes | Yes | Yes |
Self-Testing | Yes | Yes | Yes | Yes | Yes |
Smart Device | No | No | No | No | Smart + Kidde App |
Battery Replace Frequency | Every 6 Months | Every 6 Months | Never | Every 6 Months | Every 6 Months |
Conforms to UL 217 | 10th edition | 10th edition | 10th edition | 10th edition | 10th edition |
ETL Listed | Yes | Yes | Yes | Yes | Yes |
How many alarms does this wire-free interconnect hardwired smoke alarm connect with?
Per NFPA regulations, this Kidde alarm may interconnect with up to 12 smoke or combo alarms.
Does this alarm have a low battery indicator and what type of backup batteries should I use?
Yes, this smoke alarm beeps and says “Low Battery” every 60 sec. After 1 hour, voice occurs only once every 15 min. Only use alkaline Energizer E91, Gold Peak 15A, or Golden Power GLR6A. Lithium batteries should not be used.
When is wire-free interconnect technology beneficial?
Utilize wire-free interconnect technology when you want to extend coverage with other wire-free interconnected alarms in areas that may not have existing wiring.
Why is interconnect technology important?
When one alarm sounds all compatible alarms sound, so you can seek safety quicker.
Can this smoke alarm be used in a mobile home?
No, this hardwired smoke alarm with wire-free interconnect is not recommended for use in mobile homes. It is recommended to use in residential applications throughout the home.
Wire-Free Interconnect*
Never miss an emergency alert from interconnected alarms. When one alarm sounds, all compatible alarms do.
Reduced Nuisance Alarms
Enhanced sensing technology reduces false alarms often caused by cooking.
Self-Testing**
Internal components ensure alarm is always operating as expected.
Quality Tested
Conforms to the latest UL standards, UL 217 10th Editions & UL 2034.
Voice Alerts
Crystal clear voice alerts tells you exactly why your alarm is sounding so you can react quickly.
Hardwired + Wire-Free Compatibility*
Hardwired + Wire-Free Interconnect
Complete Home Smoke Detection
Wired alarms communicate through physical wiring. Add a hardwired + wire-free alarm to connect existing hardwire interconnected alarms and battery alarms, depending on what works best for the space.
Extend detection to additions, basements, and other hard-to-wire areas with a 120V hardwired alarm that bridges wired and wire-free detectors using both wired and wireless signals.
Wire-free connectivity creates a fully interconnected fire safety system*. Connect up to 12 compatible alarms for full-home smoke detection.
Power Outage Detection
Backup battery helps you stay protected during power outages. Change batteries every 6 months.
Notifications
Alarm will beep & blink red. Voice alerts announce "Fire!".
Comprehensive Solutions
Help protect your home with Kidde's full range of home and fire safety products.
Kidde Smoke Detectors
Smoke, 20SAR-VRF | Smoke, 20SDR-VRF | Smoke, 20SA10-V | Smoke + CO, 30CUAR-VRF | Smart Smoke, 20SAR-W |
|---|---|---|---|---|
| Customer Reviews | ||||
| — | — | — | — | — |
| Price | ||||
| — | — | — | — | — |
| Detection Type | ||||
| Smoke | Smoke | Smoke | Smoke + Carbon Monoxide | Smoke |
| Power Source | ||||
| Hardwired + AA Battery | AA Battery | Hardwired + 10yr Battery | Hardwired+ AA Battery | Hardwired+ AA Battery |
| Interconnect Type | ||||
| Wire-Free | Wire-Free | Wired | Wire-Free | Wired |
| Voice Alerts | ||||
| Yes | Yes | Yes | Yes | No |
| Reduced Nuisance Alarms | ||||
| Yes | Yes | Yes | Yes | Yes |
| Self-Testing | ||||
| Yes | Yes | Yes | Yes | Yes |
| Smart Device | ||||
| No | No | No | No | Smart + Kidde App |
| Battery Replace Frequency | ||||
| Every 6 Months | Every 6 Months | Never | Every 6 Months | Every 6 Months |
| Conforms to UL 217 | ||||
| 10th edition | 10th edition | 10th edition | 10th edition | 10th edition |
| ETL Listed | ||||
| Yes | Yes | Yes | Yes | Yes |
How many alarms does this wire-free interconnect hardwired smoke alarm connect with?
Per NFPA regulations, this Kidde alarm may interconnect with up to 12 smoke or combo alarms.
Does this alarm have a low battery indicator and what type of backup batteries should I use?
Yes, this smoke alarm beeps and says “Low Battery” every 60 sec. After 1 hour, voice occurs only once every 15 min. Only use alkaline Energizer E91, Gold Peak 15A, or Golden Power GLR6A. Lithium batteries should not be used.
When is wire-free interconnect technology beneficial?
Utilize wire-free interconnect technology when you want to extend coverage with other wire-free interconnected alarms in areas that may not have existing wiring.
Why is interconnect technology important?
When one alarm sounds all compatible alarms sound, so you can seek safety quicker.
Can this smoke alarm be used in a mobile home?
No, this hardwired smoke alarm with wire-free interconnect is not recommended for use in mobile homes. It is recommended to use in residential applications throughout the home.