10-Year Lithium Power – 10 years of continuous protection. No battery change required.Tamperproof Sealed Alarm – Powercell cannot be removed.Digital DisplayElectrochemical CO sensing technologySilence featureEnd of life feature10-Year Limited Warranty
Works with BRK Smoke and Heat Alarms and Smart interconnect BRK CO alarms120V AC-poweredForm-C contacts that switch between normally open and closed contacts
10-Year Battery 2-In-1 Smoke and CO Alarm, 10-Year Sealed Battery, for continuous protection. No battery replacements required for the life of the alarm
Battery-Operated Smoke Alarm, Easy Install and front door battery replacement. Add protection in minutes. A battery pull tab is also inlcluded to keep the batteries fresh until the home is occupied
Replaceable 9V alkaline battery included
Test/Silence Button, temporarily silence or test the alarm with one-touch easy access button