Kidde 9CO5-LP2 First Alert 21025778 Carbon Monoxide Alarm Battery, 1 Pack

In the past five decades First Alert has pushed the Envelope in product innovations. And while we’ve ventured successfully into an ever-expanding home safety market, we’ve always stayed true to our roots and our flagship brand, harnessing technology to build the most reliable fire safety products for the people who put their trust – and their lives – In our hands.

• Slide-out battery door that gives immediate access to the batteries and a safety feature that makes it difficult to close the door without the batteries being installed.
• Inside cover of battery door features quick reference guide for what to do in case of an alarm.
• Provides continuous monitoring of CO levels, even during power outages when AC- only units are not providing protection.
• Low Battery Hush – Silences low battery chirp warning for up to 12 hours in order to maintain protection without having to replace the batteries at an inconvenient time.
• 10-year life and a 10-year limited warranty. 10-Year Life: “If your CO alarm was manufactured prior to 2013, it does not have a 10 year life. Consult your User Guide for additional details.