First Alert Battery Operated Carbon Monoxide Alarm

Uses an electrochemical carbon monoxide sensor to detect the carbon monoxide you can't see, smell or taste in the air.

• Each unit is powered by one 9V replaceable battery,
• Includes a permanent internal sensor – lasts up to 5 year
• 85 decibel horn sounds if carbon monoxide levels are too high
• Pull down action chart on the detector offers guidance on what to do if alarm goes off
• Test/silence button allows you To tests its functionality,
• No installation or outlet is required
• Optional wall mount is included.