Kidde 20SDR AA Battery Smoke Alarm vs Kidde 30CUAR / 30CUA10 Hardwired Combo
Side-by-side specs from each maker.
Only the differences are shown.
| Kidde 20SDR AA Battery Smoke Alarm | Kidde 30CUAR / 30CUA10 Hardwired Combo | |
|---|---|---|
| Type | Smoke or CO alarm | Smoke or CO alarm |
| Alarm | smoke | combo |
| Power | 2 AA replaceable batteries | Hardwired with battery backup |
| Interconnect | Not listed | wired |
| Standards (maker) | Kidde DETECT alarms are designed to the latest UL standard | UL Listed; designed to the latest UL standard for safety and reliability |
| Replace after | Not listed | 10 years |
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
Kidde 30CUAR / 30CUA10 Hardwired Combo
A hardwired smoke and carbon monoxide combo alarm with battery backup that connects by wire to other Kidde alarms. The 30CUA10 has a 10-year backup battery and the 30CUAR uses AA batteries.
- Hardwired interconnect with other Kidde alarms
- 10-year backup battery on the 30CUA10
- Needs wiring into household power