The Sparepart: Ubiquiti Networks G4 Doorbell Power Supply UVC-G4-DOORBELL-PS is a round power supply specifically designed for the Ubiquiti Networks G4 Doorbell. With a voltage of 110, this power supply has dimensions of 20 x 13 x 5 cm and weighs 496g. Made by Ubiquiti Networks in the UK, this spare part is essential for keeping your doorbell powered and operational. Easy to install and reliable in performance, this power supply ensures that your doorbell continues to function smoothly.