Kidde 20SA10 Hardwired Smoke Alarm with 10-Year Backup vs Kidde 30CUDR-VRF Wire-Free Interconnect Smoke + CO Alarm
Side-by-side specs from each maker.
Kidde 20SA10 Hardwired Smoke Alarm with 10-Year BackupList price not published
Kidde 30CUDR-VRF Wire-Free Interconnect Smoke + CO AlarmList price not published
Only the differences are shown.
| Kidde 20SA10 Hardwired Smoke Alarm with 10-Year Backup | Kidde 30CUDR-VRF Wire-Free Interconnect Smoke + CO Alarm | |
|---|---|---|
| Type | Smoke or CO alarm | Smoke or CO alarm |
| Alarm | smoke | combo |
| Power | Hardwired with 10-year backup battery | AA battery |
| Interconnect | wired | wireless |
| 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 | All alarms must have the wire-free feature to connect |
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 30CUDR-VRF Wire-Free Interconnect Smoke + CO Alarm
A battery-powered smoke and carbon monoxide alarm that connects wirelessly to other compatible alarms and speaks a voice alert.
- Smoke and CO in one unit
- Wire-free interconnect
- Voice alerts
- Only works with compatible wire-free alarms
- Batteries need changing