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Home Page > Hearing > Amplified Devices > Amplification Systems

Serene CentralAlert Door Announcer-Knocker
"Know when someone’s at the door"
Serene CentralAlert Door Announcer-Knocker

Item#: 931005
Retail Price: $49.95
You Save: $4.00 (8%)
Your Price: $45.95

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Product Description

  • 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

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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