Kidde 20SA10 Hardwired Smoke Alarm with 10-Year Backup vs Kidde 20SDR AA Battery Smoke Alarm
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 20SDR AA Battery Smoke Alarm | |
|---|---|---|
| Type | Smoke or CO alarm | Smoke or CO alarm |
| Alarm | smoke | smoke |
| Power | Hardwired with 10-year backup battery | 2 AA replaceable batteries |
| Interconnect | wired | Not listed |
| 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 | Not listed |
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 20SDR AA Battery Smoke Alarm
A smoke alarm powered by two replaceable AA batteries, with enhanced sensing meant to reduce cooking nuisance alarms.
- No wiring
- Replaceable AA batteries
- Twist-and-click mount
- Batteries need changing