What transformer is compatible with the nest hello smart doorbell in Australia? We teach you how to install a new Australian transformer compatible with the nest doorbell if you don’t have any existing wiring and what transformers will work with the nest hello doorbell. We also provide a guide of everything you need to install a nest hello doorbell transformer for Australia if you are replacing an old battery powered doorbell or need to connect your doorbell to new power source. In Australia the nest hello video doorbell still requires 16-24V of electricity but you must use transformer that converts from 240V the Australian line grid voltage down to 16-24V. We cover everything you need to know for what transformer you should use with the nest hello smart doorbell if you live in Australia.