Kidde 30CUAR / 30CUA10 Hardwired Combo vs Kidde Ring Smart Smoke + CO Alarm RGCUAR-RW

Side-by-side specs from each maker.

Only the differences are shown.

Kidde 30CUAR / 30CUA10 Hardwired ComboKidde Ring Smart Smoke + CO Alarm RGCUAR-RW
TypeSmoke or CO alarmSmoke or CO alarm
Alarmcombocombo
PowerHardwired with battery backupHardwired with 2 AA backup batteries
Interconnectwiredwired
Standards (maker)UL Listed; designed to the latest UL standard for safety and reliabilityETL certification
Replace after10 yearsNot listed
Maker's warningsNot listedWorks through the Ring app

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

Kidde Ring Smart Smoke + CO Alarm RGCUAR-RW

A hardwired smart smoke and carbon monoxide alarm that sends notifications through the Ring app and speaks voice alerts.

  • Ring app notifications
  • Voice alerts
  • Smoke and CO in one unit
  • Needs household wiring
  • Monitoring needs a paid Ring plan