First Alert BRK 9120B Alarma de humo cableado con batería de respaldo, una unidade

Reseña del editor Promueve una mayor seguridad del hogar con la alarma de humo cableada First Alert 9120BFF con batería de respaldo. Este detector de humo de CA de 120 voltios utiliza un sensor de humo de ionización para detectar de manera confiable el humo de incendios calientes y rápidos y te alerta con una alarma de 85 decibelios. Diseñado para conectarse directamente al sistema eléctrico de su hogar, este detector de humo cableado cuenta con una batería de respaldo que ayuda a mantener la alarma funcionando incluso en caso de un corte de energía. El montaje sin junta ayuda a garantizar una alineación perfecta para una fácil instalación, mientras que los pasadores de bloqueo resistentes a manipulaciones mantienen la alarma segura. Y gracias al práctico botón de prueba/silencio, puede verificar fácilmente si la alarma funciona correctamente y silenciar las falsas alarmas. Esta alarma de humo se puede integrar con hasta 12 otras alarmas cableadas First Alert o BRK y cuenta con un indicador de bloqueo que identifica qué unidad activó la alarma. Amazon.com Introducing the revolutionary BRK 9120 series smoke alarms which have been redesigned from the ground up. They install faster, perform better, and are even smarter than before. All of these improvements help reduce nuisance alarms and save you time and money. BRK Electronics smoke alarms are designed to be easy to install, easy to maintain, and quality-engineered for years of virtually maintenance-free service. The 9120B AC-powered smoke alarm with battery backup includes these features: Ionization sensor which helps detect fast flaming fires that consume combustible materials rapidly. 120-volt AC inter-connectable (with maximum 18 compatible devices). The alarm can be interconnected with up to 12 other compatible smoke alarms and six compatible devices like bells, horns, repeaters and door closers. If one unit triggers an alarm, all smoke alarms in the series will sound. Power indicators show which unit in the series initiated the alarm. Latching alarm indicator which automatically identifies which unit initiated the alarm. Smart technology to reduce nuisance alarms. 9-volt battery backup for peace of mind during power malfunction. Single test/silence button which both silences a non-threatening alarm or low battery warning and allows you to test the unit's functionality. Perfect mount system including a gasketless base for easy installation and new mounting bracket that keeps the alarm secure over a wide rotation range to allow for perfect alignment. Mounting bracket lock for tamper resistance. Dust cover to keep unit clean during construction. 10-year limited warranty. All BRK Electronics smoke alarms meet UL 217 standard and are listed with the California State Fire Marshal. They use the new UL mandated repeating 85-decibel alarm horn pattern. 10-year limited warranty. This unit is approved for sale in Oregon after new revisions on law HB2586.--Bree NorlanderWhat's in the Box One smoke alarm, one 9-volt battery, and user's manual

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