5-5/8" Smoke and Carbon Monoxide Alarm with 85dB @ 10 ft., Horn Audible Alert; 9V

This smoke and carbon monoxide alarm uses ionization and electrochemical detection methods. It has a 10-year limited manufacturer’s warranty and meets UL2034, NFPA101, and NFPA720 standards.

• The description claims this alarm responds best to fast-raging fires.
• The description claims adjustable smoke sensitivity helps reduce nuisance alarms.