The First Alert SA511CN2-3ST Interconnected Wireless Smoke Alarm with Voice & Location is battery operated and features an 85-decibel alarm with voice alerts that tell 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 of fire for your family
Interconnected Alarms Talk to Each Other: The First Alert, Battery Operated Interconnected Wireless Smoke Alarms communicate wirelessly with each other. When one detector sounds, the other alarms sound as well, alerting you to a fire in the basement even if you are in the attic.
An Alarm That Talks to You: The First Alert Interconnected Wireless Smoke Alarm features a voice alarm with 11 pre-programmed choices that tell you where the danger is and warns you to evacuate. It also uses a loud 85-decibel alarm.
Battery-Operated Fire Detector Easily Installs: Requiring no wires to install, this Interconnected Wireless Smoke Alarm runs off two AA batteries. It will continue to monitor your home for fire even in the event of a power outage. The detector has a low battery indicator light and will chirp when it’s time to replace the batteries.