First Alert CO605A Carbon Monoxide Plug-in Alarm with Battery Backup
by First Alert
- UPDATED PACKAGING: See ASIN B0812P1NGT, 120-volt AC plug-in carbon monoxide alarm with battery back-up, Uses electrochemical carbon monoxide sensor--the most accurate technology available, Simple to use silence/test button, Low battery warning; end-of-life timer, Includes 2 AA batteries, 7 year limited warranty