FIRST ALERT Hardwired Wireless Smoke Alarm with Photoelectric Sensor and Battery Backup, SA521CN-3ST
FIRST ALERT Hardwired Wireless Smoke Alarm with Photoelectric Sensor and Battery Backup, SA521CN-3ST
For those who want a comprehensive detection system without hiring an electrician or worrying about hardwiring, the FIRST ALERT SA521CN Wireless Interconnected Hardwired Photoelectric Smoke Alarm is an ideal solution. Use this smoke detector to replace an existing hardwired smoke alarm and then install additional compatible FIRST ALERT Wireless alarms for an interconnected safety network (additional alarms sold separately). Wireless technology makes it possible for the detector to connect with up to 18 compatible FIRST ALERT wireless-enabled alarms to create a wireless safety network. These connected alarms can communicate with each other and sound in unison. The photoelectric smoke sensor is designed to reduce false alarms from cooking smoke or shower steam while remaining sensitive to real danger. The smoke detector has an integrated battery backup in case of power outages and features a single button to silence false alarms and test the unit.Eco- friendly, completely recyclable as an electronic device. "The FIRST ALERT SA521CN-3ST (Model SA520B) Wireless Interconnect Integrated Smoke Alarm links the alarms throughout your home. This 120VAC hardwired wireless detector with battery backup integrates single alarms into a system. By adding Wireless Interconnect battery powered alarms elsewhere, when one alarm sounds, all alarms will be notified. Easily link alarms with the press of a button. The RF Interconnect technology continues to provide a reliable and secure radio frequency communication between Wireless Interconnect alarms. This technology features 915 MHz frequency with 65,000 security codes, and three (3) channel frequency hopping. The unit is compatible with an assortment of FIRST ALERT wireless alarms, which includes the SA501CN-3ST (SA501B), SA501CN2-3ST (SA501B2), SA511B, SA511CN2-3ST, SA520B, SA521CN-3ST, CO511B. SCO501CN-3ST (SCO500B), SCO501CN2-3ST. Photoelectric smoke sensor reduces nuisance alarms. Easy access battery drawer: no need to remove an alarm from the ceiling to change battery. Includes 10-year limited warranty. Meets UL standards. Note: This product is intended for non-professional do it yourself installation. If you would like information about a professionally installed and monitored system, please contact FIRST ALERT Professional at . FIRST ALERT Professional is not affiliated with BRK Brands, Inc. "The First Alert SA521CN-3ST (Model SA520B) Wireless Interconnect Integrated Smoke Alarm links the alarms throughout your home. This 120VAC hardwired wireless detector with battery backup integrates single alarms into a system. By adding Wireless Interconnect battery powered alarms elsewhere, when one alarm sounds, all alarms will be notified. Easily link alarms with the press of a button. The RF Interconnect technology continues to provide a reliable and secure radio frequency communication between Wireless Interconnect alarms. This technology features 915 MHz frequency with 65,000 security codes, and three (3) channel frequency hopping. The unit is compatible with an assortment of First Alert wireless alarms, which includes the SA501CN-3ST (SA501B), SA501CN2-3ST (SA501B2), SA511B, SA511CN2-3ST, SA520B, SA521CN-3ST, CO511B. SCO501CN-3ST (SCO500B), SCO501CN2-3ST. Photoelectric smoke sensor reduces nuisance alarms. Easy access battery drawer: no need to remove an alarm from the ceiling to change battery. Includes 10-year limited warranty. Meets UL standards. Note: This product is intended for non-professional do it yourself installation. If you would like information about a professionally installed and monitored system, please contact First Alert Professional at . First Alert Professional is not affiliated with BRK Brands, Inc. "
Product Features
- Help keep your family safe with this hardwired smoke alarm that wirelessly interconnects with other First Alertenabled alarms to create a home safety network
- Equipped with photoelectric smoke sensor optimized to detect larger smoke particles produced by smoldering fires; helps minimize the number of false alarms
- Wirelessly connect up to 18 First Alert enabled alarms for the maximum in whole-home protection
- Hardwired alarm includes 2 AA backup batteries for continued monitoring in the event of a power outage
- Includes test/silence button, low-battery warning, EZ access battery door
- First Alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 (Based on a First Alert Brand Trust Survey in February 2018)
Buy with confidence as this product comes with 18 months full local warranty in Australia & New Zealand (unless otherwise stated in the overview).
This product also comes with the benefits of the CocoonPower Warranty. For further details please read our Warranty Guidelines.
You can also purchase 3 Year Extended Care. If you are interested please see our Extended Care Information.