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- Sealed-In Lithium Battery Backup-no battery replacement required over the 10 year life of the alarm.
- Voice message system
- Peak level memory
- Smart Interconnect-Interconnects up to 24 Kidde devices
- Package:1/EA
This fits your .
Kidde 21010408-N i12010SCO Worry-Free Smoke and CO Combination Alarm With Sealed Lithium Battery Backup 120 Volt AC