Accessory for Panasonic Home Network System
* This product must be used in conjunction with the Hub(KX-HNB600) unit.
A total of 50 backup batteries can be registered to the Hub.
A backup battery supplies power to your hub unit, camera, or siren in the event of a power outage or when someone cuts the power. The hub unit can be triggered to call a pre-programmed phone number through a landline or to send a notification to your mobile device, in the event of a power outage.