Early Alert Smoke Alarm Signal Extender - Window Beacon Add-on for Disabled

When someone is physically incapable of escaping a fire, add a Window Beacon to the system to illuminate the room from the outside.  It works with Sound Sensors and Receiver Speakers to let first responders know where to find someone trapped inside. Ideal for a disabled or elderly family member. A minimum of 1 Sound Sensor and 1 Receiver Speaker is required.