Power Outage Protection
Battery powered, helping you stay protected during power outages. Change batteries every 6 months.
Notifications
Alarm will sound 3 long beeps and blink red when smoke is detected.
Comprehensive solutions
Protect your home with the help of our full range of home and fire safety products.
Kidde Smoke Alarms
 Smoke Alarm 20SAR |  Smoke Alarm 20SDR |  Smoke Alarm 20SD10 |  Smoke + CO Alarm 30CUAR |  Smart Smoke Alarm 20SAR-W | |
|---|---|---|---|---|---|
Customer Reviews | — | — | — | — | — |
Price | — | — | — | — | — |
Detection Type | Smoke | Smoke | Smoke | Smoke + Carbon Monoxide | Smoke |
Power Source | Hardwire + AA Battery | AA Battery | 10 Year Battery | Hardwire + AA Battery | Hardwire + AA Battery |
Interconnect Type | Wired | None | None | Wired | Wired |
Voice Alerts | No | No | No | No | 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 |
Size | 5 Inch | 5 Inch | 5 Inch | 5 Inch | 5 Inch |
Conforms to UL 217 | 10th Edition | 10th Edition | 10th Edition | 10th Edition | 10th Edition |
ETL Listed | Yes | Yes | Yes | Yes | Yes |
Interconnected Alarms*
When one alarm sounds, they all sound, so you never miss an emergency and can get out faster.
Self Testing**
Internal components ensure alarm is always operating as expected.
Reduced Nuisance Alarms
Enhanced sensing technology reduces false alarms often caused by cooking.
UL Certified
Designed to the latest UL standard for safety and reliability.
Power Outage Protection
Battery powered, helping you stay protected during power outages. Change batteries every 6 months.
Notifications
Alarm will sound 3 long beeps and blink red when smoke is detected.
Comprehensive solutions
Protect your home with the help of our full range of home and fire safety products.
Kidde Smoke Alarms
Smoke Alarm 20SAR | Smoke Alarm 20SDR | Smoke Alarm 20SD10 | Smoke + CO Alarm 30CUAR | Smart Smoke Alarm 20SAR-W |
|---|---|---|---|---|
| Customer Reviews | ||||
| — | — | — | — | — |
| Price | ||||
| — | — | — | — | — |
| Detection Type | ||||
| Smoke | Smoke | Smoke | Smoke + Carbon Monoxide | Smoke |
| Power Source | ||||
| Hardwire + AA Battery | AA Battery | 10 Year Battery | Hardwire + AA Battery | Hardwire + AA Battery |
| Interconnect Type | ||||
| Wired | None | None | Wired | Wired |
| Voice Alerts | ||||
| No | No | No | No | 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 |
| Size | ||||
| 5 Inch | 5 Inch | 5 Inch | 5 Inch | 5 Inch |
| Conforms to UL 217 | ||||
| 10th Edition | 10th Edition | 10th Edition | 10th Edition | 10th Edition |
| ETL Listed | ||||
| Yes | Yes | Yes | Yes | Yes |