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  • Door Hanger Knocker Transmitter (CA2010)
  • Door Hanger Knocker Transmitter (CA2010)
Serene Innovations

Serene CentralAlert CA-DXH Door Knock Sensor

This is not a standalone unit.

Hang it on your door knob to detect knocking on your door.

ID: CA-DXH or CA2010

 

This product requires:

Serene CentralAlert CA-360 Notification System

or

Serene CentralAlert CA-RX Remote Receiver

This product works with:

Serene CentralAlert CA-360 Notification System

Serene CentralAlert CA-RX Remote Receiver

Serene CentralAlert CA-PX Pager for Notifications

$89.95