Ubiquiti Inc. UniFi G4 Doorbell Power Supply

Ubiquiti UniFi G4 Doorbell Power Supply - The UVC-G4-Doorbell-PS is an optional power adapter for the UVC-G4-Doorbell. Instead of using existing electrical wiring, one end connects to the doorbell and the other end plugs into a standard US electrical outlet. Maximum distance: 6 m (19' 8").