First Alert Smoke Detector Alarm, Battery Powered with Wireless Interconnect

The First Alert SA511CN2-3ST Interconnected Wireless Smoke Alarm with Voice Location features an 85-decibel siren and voice alarm that tells you where the danger is located. A photoelectric sensor detects smoke while minimizing false alarms from cooking or shower steam. Interconnected smoke detectors in different locations are designed to work together, with one alarm triggering the other alarm during a fire, helping to provide the earliest warning for your family. Features: Interconnected alarms all sound when one is activated, increasing safety. Voice alarm tells you where the danger is, so you can choose the best evacuation route. Battery-operated alarm installs anywhere, requires no electrician. Photoelectric sensor reduces false alarms. Comes in a pack of two alarms.

Interconnected alarms all sound when one is activated, increasing safety Voice alarm tells you where the danger is, so you can choose the best evacuation route Battery-operated alarm installs anywhere, requires no electrician Photoelectric sensor reduces false alarms Comes in a pack of two alarms