Kidde 20SAR-W Smart Smoke Alarm vs Kidde 30CUAR / 30CUA10 Hardwired Combo
Side-by-side specs from each maker.
Only the differences are shown.
| Kidde 20SAR-W Smart Smoke Alarm | Kidde 30CUAR / 30CUA10 Hardwired Combo | |
|---|---|---|
| Type | Smoke or CO alarm | Smoke or CO alarm |
| Alarm | smoke | combo |
| Power | Hardwired (120V AC) with 2 AA backup batteries | Hardwired with battery backup |
| Interconnect | wired | wired |
| Standards (maker) | ETL certification | UL Listed; designed to the latest UL standard for safety and reliability |
| Replace after | Not listed | 10 years |
| Maker's warnings | AC power is required for full operation and Wi-Fi; batteries are backup only; do not use lithium batteries | Not listed |
Kidde 20SAR-W Smart Smoke Alarm
A hardwired smart smoke alarm that sends alerts to the Kidde app over 2.4 GHz Wi-Fi and has two AA backup batteries.
- Mobile alerts
- Interconnects with hardwired alarms
- AA backup batteries
- Needs household wiring
- Needs 2.4 GHz Wi-Fi
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