Kidde 20SAR-W Smart Smoke Alarm vs Kidde 30CUDR Combo
Side-by-side specs from each maker.
Only the differences are shown.
| Kidde 20SAR-W Smart Smoke Alarm | Kidde 30CUDR Combo | |
|---|---|---|
| Type | Smoke or CO alarm | Smoke or CO alarm |
| Alarm | smoke | combo |
| Power | Hardwired (120V AC) with 2 AA backup batteries | AA (2 replaceable batteries) |
| Interconnect | wired | Not listed |
| Standards (maker) | ETL certification | Designed to the latest UL standard for safety and reliability |
| 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 30CUDR Combo
A battery-powered smoke and carbon monoxide combo alarm that runs on two replaceable AA batteries. A voice-alert version is listed separately.
- Replaceable AA batteries
- Not listed by the maker: price