3-in-1 Smart Alarm provides 10 years of continuous protection against fast flaming fires, slow smoldering fires and carbon monoxide
Sealed battery (included) will never have to be replaced throughout the life of the alarm
Features microprocessor intelligence to virtually eliminate nuisance alarms
Quick activation battery pull tab makes the alarm easy to install while the deactivation key makes the batteries safe for disposalSmart Alarm Technology
Provides:Temperature & Humidity Compensation
Self-Diagnostics to ensure alarm is functioning properly