The CA-DB Doorbell Button is part of the CentralAlert Notification System by Serene Innovations. It is weather resistant for installation at any door. The CA-DB signals the CA360 or CA-RX receiver.
- 2.4GHz Smart-Code technology
- Up to 200 ft operating range
- Four CA-DB units supported
- Uses one button 2032 battery (included)
- Dimensions: 3.25" x 1.5" x 1"