First Alert Carbon Monoxide Detector|No Outlet Required, Battery O...

First Alert Carbon Monoxide Detector|No Outlet Required, Battery Operated, 2-Pack, CO400

• Keep your family safe with this 2-Pack of easy to use, battery operated carbon monoxide alarms; Battery powered alarms provide continuous monitoring of CO levels, even if there's a power failure
• Features an advanced electrochemical carbon monoxide sensor that accurately detects carbon monoxide levels, no matter where the detector is placed in the room
• A loud 85-decibel alarm sounds when CO levels reach dangerous levels
• To ensure complete protection make sure to place one on each level of your home and in each bedroom
• 5-year limited warranty; Equipped with end-of-life signal chirp, so you know when it’s time to replace the unit for safety
• All first alert CO alarms are rigorously tested to meet UL standards