Preferred™ Series Carbon Monoxide Alarm
- Monitors CO levels in home
- Loud audible alarm
- Peak level button displays the highest CO level recorded since alarm was last reset
- Protection provided during a power outage by a rechargeable lithium ion battery
- Plugs into any standard electrical outlet
- 10-year limited warranty1
1 To the original owner, when product is used in an owner-occupied residence, a 10-year parts limited warranty upon timely registration of your new equipment. Warranty period is 5 years if not registered within 90 days. Jurisdictions where warranty benefits cannot be conditioned on registration will automatically receive a 10-year parts limited warranty. See warranty certificate for complete details.