Serene Innovations SI-CA-DB CentralAlert Extra Wireless Doorbell

Description

Description Dimensions Item Weight 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°CSICADBFeatures:Size: W 1" H 5" L 3"Weight: 0.2 W 1 x H 5 x L 3 in. 0.2 lbs