Description
- Superior carbon monoxide sensor with battery backup
- Inter-connectable with BRK and First Alert hardwired smoke and carbon monoxide alarms
- Microprocessor controlled for fewer nuisance alarms
- Simple to use silence/test button; convenient alarm latch indicator
- 9-volt battery included; 7-year limited warranty
First AlertBRK CO5120BN Hardwire Carbon Monoxide Alarm with Battery Backup 2 Pack
