Easy-to-install extra wireless doorbell unit beyond the door bell accessory already prepackaged with and designed to work with the Central Alert Wireless Notification System (item CA-360), Central Alert Portable Remote Receiver (item CA-RX), Central Alert Portable Receiver (CA-PX) (all sold separately).
Optional accessory when user wants to add a doorbell notification to a second entrance (side door, back door)
When paired to the CA-360, alerts you when someone is at the door via bright visual flasher or selectable audible signal, or bed shaker
When paired to the CA-RX, alerts you when someone is at the door via bright visual flasher or selectale audible signal
Optional bed shaker is available but sold separately