Install device on existing door chime or intercom door announcer for vibration detection. When someone rings your door bell, it detects vibration and sends a wireless signal to trigger the CA360 to alert. Or, you can attach the CA-DX to the inside surface of your door to detect the knocking on your door.
Detects the vibration of your existing door bell, door chimes, door intercom announcer or theknocking on your door, it then sends a signal to trigger the CA-360 to alert you
Simple to install with adjustable sensitivity to avoid false alarms
2.5mm Jack for direct connection to your existing doorbell/door chime
1 year warranty
*With this method, electrical signal from your doorbell terminal activates CA-DX