Centralalert Extra Wireless Doorbell
When pushed, it sends wireless signals to the CA -360 to let you know that someone is at the door Weather resistant for easy outdoor mounting Advanced Technology: 2.4 Ghz Smart-Code Operating range: Up to 200ft,open space- actual distance varies according to house construction Up to 4 Model CA-DB's are supported Battery type: 2032 type coin battery Battery life: up to 10 months Operating temperature: + 10 to +30°C SICADB