For Deafblind users: please click the largest "A" as many times as needed.
This is not a standalone unit.
Install device on existing door chime or intercom door announcer for vibration detection.
Can use up to 4 transmitters (CA2004)
This product requires:
Serene CentralAlert CA-360 Notification System
Serene CentralAlert CA-RX Remote Receiver
This product works with:
Serene CentralAlert CA-PX Pager for Notifications