First Alert BRK 10-Year Battery 6-Pack Battery-operated Combination Smoke and Carbon Monoxide Detector 1046801

10-YR Sealed Battery Smoke & CO Alarm (6 Pack) Precision Detection technology helps reduce cooking nuisance alarms and provides early warning. 10-Year sealed battery provides continuous protection No battery replacements and low battery chirps for the life of the alarm End-of-life warning lets you know when it’s time to replace the alarm Test/Silence button allows for efficient testing and temporarily silences alarm for up to 8 hours Slim profile design is half the depth of a standard alarm Operating Manual PDF