Notice :1. The video doorbell is connected in series with the existing chime and the transformer;
2. the power kit is connected in parallel with the existing chime.
If you refer to the above wiring diagram to install the doorbell and still can't work normally,
please provide your transformer specifications, the picture of the chime and the wiring diagram in the chime's manual,
and contact our technical support email: support@foscam.com