Pay in 4 interest-free payments of $237.50 Learn more
Ships within 48 hours · Estimated delivery Jul 28 - Aug 2
Do not submerge in water or use other materials to clean the unit
please consult your manufacturer for compatibility before purchase
Interior hand strap for comfortable one-handed use
and date window at 3 o'clock
First Alert CO400 Battery Operated Carbon Monoxide Alarm Detector Do not submerge in waterProduct Description The First Alert CO400 Carbon Monoxide Alarm utilizes an electrochemical carbon monoxide sensor to monitor your space for a carbon monoxide threat. The battery powered design doesn't require an electrician; simply insert the included 9 volt battery, and the carbon monoxide detector is ready to go. The advanced electrochemical CO sensor detects carbon monoxide leaks from multiple sources, such as faulty fuel burning appliances,