Kidde 20SDR-VRF Wire-Free Interconnect Smoke Alarm vs Kidde 30CUDR Combo
Side-by-side specs from each maker.
Only the differences are shown.
| Kidde 20SDR-VRF Wire-Free Interconnect Smoke Alarm | Kidde 30CUDR Combo | |
|---|---|---|
| Type | Smoke or CO alarm | Smoke or CO alarm |
| Alarm | smoke | combo |
| Power | AA battery | AA (2 replaceable batteries) |
| Interconnect | wireless | Not listed |
| Standards (maker) | Not listed | Designed to the latest UL standard for safety and reliability |
| Maker's warnings | All alarms must have the wire-free feature to connect | Not listed |
Kidde 20SDR-VRF Wire-Free Interconnect Smoke Alarm
A battery-powered smoke alarm that connects wirelessly to other compatible alarms and speaks a voice alert saying why it is sounding.
- Wire-free interconnect
- Voice alerts
- No rewiring for renovations
- Only works with compatible wire-free alarms
- Batteries need changing
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