Amazon is offering the First Alert CO400 Battery Powered Carbon Monoxide Alarm for only $16.48 and FREE shipping for Prime Members or any $25 order.
- Battery-operated carbon monoxide alarm
- Uses electrochemical carbon monoxide sensor–the most accurate technology available
- Simple to use silence/test button, low battery warning, end-of-life timer
- 2 AA batteries included
- 5 year limited warranty