2 Pack 10 Year Battery Operated Smoke and Carbon Monoxide Detector, Portable Fire Co Alarm for Home and Kitchen (White)

2-in-1 Accurate,Reliable &Highly Sensitive Alarm: Equipped with both photoelectric smoke sensor and electrochemical CO sensor that work independently of each other; every second counts; detects both fast and slow-burning fires,and instantly notifies you when dangerous smoke or Co concentration is detected while minimizina false alarms: provides the ultimate protection from 2 deadly threats,all contained in 1unit
LCD Display: Clearly indicates real-time carbon monoxideCOconcentration in the surrounding air as well as the remaining battery life and working status of the alarm
Test/Silence Button: Tests the unit for proper operation and resets the smoke and carbon monoxide alarm. Alarm Volume:Loud>85dB(A) at 1 meters. Loud 85-decibel alarm is desianed to be heard easily. Pls kindly press if false alarm.