Kidde 20SA10 Hardwired Smoke Alarm with 10-Year Backup vs Kidde 20SAR Hardwired Smoke Alarm with AA Backup
Side-by-side specs from each maker.
Kidde 20SA10 Hardwired Smoke Alarm with 10-Year BackupList price not published
Only the differences are shown.
| Kidde 20SA10 Hardwired Smoke Alarm with 10-Year Backup | Kidde 20SAR Hardwired Smoke Alarm with AA Backup | |
|---|---|---|
| Type | Smoke or CO alarm | Smoke or CO alarm |
| Alarm | smoke | smoke |
| Power | Hardwired with 10-year backup battery | Hardwired with 2 AA backup batteries |
| Interconnect | wired | wired |
| Standards (maker) | Kidde DETECT alarms are designed to the latest UL standard | Kidde DETECT alarms are designed to the latest UL standard |
| Replace after | 10 years | Not listed |
| Maker's warnings | Alarm beeps to replace it 10 years after it is powered | Change replaceable batteries every 6 months or when the low battery chirp sounds |
Kidde 20SA10 Hardwired Smoke Alarm with 10-Year Backup
A hardwired smoke alarm with a 10-year backup battery that interconnects with other Kidde alarms by wire.
- 10-year backup battery
- Hardwire interconnect
- Reminder beep at 10 years
- Needs household wiring
Kidde 20SAR Hardwired Smoke Alarm with AA Backup
A hardwired smoke alarm with two replaceable AA backup batteries that connects to other Kidde alarms by wire.
- AA backup batteries
- Hardwire interconnect
- Twist-and-click mount
- Needs household wiring
- Batteries need changing