First Alert BRK 10-Year Battery 6-Pack Battery-operated Ionization Sensor Smoke Detector 1046859

10-YR Sealed Battery Ionization Smoke Alarm (6 Pack) Precision Detection technology helps reduce cooking nuisance alarms and provides early warning. 10-Year battery provides continuous protection No battery replacements and low battery chirps for the life of the alarm End-of-life signal lets you know when it’s time to replace the alarm Test/Silence button allows for efficent testing and temporarily silences alarm for up to 8 hours Battery-operated alarm is easy to install and maintain Operating Manual PDF