The Video Doorbell Wall Power Supply Kit (ADC-VDBA-PSU-DC) is a DC plug-in power supply rated at 16V, 1.25A (20W). The Video Doorbell Wall Power Supply Kit is designed to easily power the ADC-VDB770 when not using an existing chime circuit. This supply can be used for installations where there is no existing wiring or where the existing setup is incompatible.The Wall Power Supply Kit should only be installed when no wired chime is used in the circuit.
