The DoorBird IP Door Chime is an ideal addition to every DoorBird door station. It can be easily installed on any surface and can connect to the network via Wi-Fi or Ethernet cable. The chime can be powered via Power over Ethernet (PoE) or using the included 15V transformer. The IP chime is configured via the DoorBird App and can be paired with an unlimited number of DoorBird door stations.