Ubiquiti UniFi Protect G4 Doorbell Professional PoE Kit (UVC-G4-DOORBELL-PRO-POE-KIT)Product Overview The Ubiquiti UniFi Protect G4 Doorbell Professional PoE Kit is an all in one smart doorbell solution that pairs a high definition video doorbell with a dedicated interior digital chime. Unlike standard smart doorbells that rely entirely on wireless signals, this system connects directly to your local area network using a standard Ethernet cable. This hardwired connection uses Power over Ethernet (PoE) to supply both operational power