Serene CentralAlert Door Announcer-Knocker

Manufacturer: Serene Innovations

Know when someone’s at the door
  • Wireless sensor detects door knocks/door chime vibration
  • Sends a wireless signal to trigger the CA360 to alert you
  • Adjustable sensitivity
  • Accessory for your CentralAlert CA-360 system

SKU: 931005
Our Price: $45.95
Availability: Usually ships within 1 to 2 business days
The Serene CentralAlert Door Announcer/Knocker (CA-DX) is a wireless alert sensor for detecting door knocking or door chime vibration. When someone rings your doorbell, it detects vibration and sends a wireless signal to trigger the CA360 to alert you. Install this alerting device on your existing door chime or intercom door announcer, or attach it to the inside surface of your door to detect the knocking on your door.

PLEASE NOTE: This item will not work on its own. It is an option for use for the CentralAlert CA-360 notification system (available for purchase separately).

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