The Nest app offers a step-by-step installation guide. Installation requires connecting the Nest Hello to a mount that’s permanently fixed outside of your house.

From there, the app goes through every single step you'll need, with that video to help guide you. If you can change a light fixture, you can install Nest Hello.

It was easy to set up (even if tricky to install). Though the Nest Hello markets itself as something you can install yourself, my home was built in 1947 and has the complicated wiring to prove it.

Facial recognition and clever integrations with other Nest and Google devices sets the Hello apart from other video doorbells.

Nest Hello’s crystal-clear video, intelligent features and simple operation ensure you’ll never tire of hearing the doorbell ring. Now you can answer your door no matter where you are.

The Nest Hello is another story. Installation entails some electrical wiring and light drilling.

Nest's series of security products includes the Nest Hello, a cute-looking doorbell which will alert you when someone presses the button. Actually, it'll let you know if someone is just loitering ...

Nest has done a solid job of filling in gaps in the company's connected home and security line-up today, unveiling Nest Secure, the Nest Hello doorbell, and Nest Cam IQ Outdoor.

At an event in San Francisco this morning, Nest unveiled another new product: the Nest Hello, its first-ever video doorbell. Know who's knocking. Introducing the Nest Hello video doorbell.