The Audio Alarm Sensor is part of the CentralAlert Notification System by Serene Innovations. It sends to the CentralAlert receiver to notify you when audio devices such as smoke/fire or carbon monoxide alarms are activated. It also works with newer T3/T4 alarms. It can be installed next to the audio sources or directly connected. Note:Requires item Serene Innovations CentralAlert CA-360 Clock/Receiver Notification System to work will not work without.
Mount next to audio alarms for alarm detection or hardwired to alarms that have connecting terminals for direct activation