Serene Innovations CentralAlert Notification System CA-DX Doorbell / Door Knock Sensor
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Electronics / Communications

Serene Innovations CentralAlert Notification System CA-DX Doorbell / Door Knock Sensor

$45.95
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The wireless Doorbell/Door Knock and Door Chime Sensor is part of the CentralAlert Notification System by Serene Innovations. Simply install the CA-DX sensor on the existing door chime or intercom door announcer for vibration detection. When someone rings your doorbell, the CA-DX sensor unit detects the vibration and sends a wireless signal to trigger the CA-360 clock/receiver unit. (An electrical signal from your doorbell activates the CA-DX). Alternatively, the CA-DX sensor can be attached to the inside surface of your door to detect door knocks. The CA-DX has a 2.5mm jack for optional direct connection to an existing doorbell/door chime (no cord included). To see how to register (learn") the CA-DX doorbell/door knock sensor with the CA-360 clock/receiver, see the video below:.embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top:

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