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First Alert SA521CN-3ST Wireless Interconnect Hardwired Smoke Alarm

4.9 (759) · € 33.99 · En Stock

Wirelessly interconnect your smoke alarms so they communicate with each other, 120VAC hardwired wireless interconnect smoke alarm with battery backup.

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First Alert SA521CN-3ST Wireless Interconnect Hardwired Smoke Alarm

This First Alert Hardwired Smoke Alarm includes a 10-year battery backup that continues to protect you in the event of a power failure. It uses an ionization smoke detector, and features a loud 85-decibel alarm. One button silences any nuisance alarms, and also tests detector functions. The latching alarm indicator automatically identifies which unit initiated the alarm, even after conditions that set off the alarm have subsided.

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