The Nest Doorbell wired (second-gen) is the successor to the excellent Nest Hello, which has long been one of my favorite video doorbells. Like its predecessor, the $179.99 Nest Doorbell wired is one of the smartest buzzers you can buy. With Nest’s Familiar Faces feature, it can tell you not only when someone is at your door but who. It can also spot when a package arrives and when it’s removed. Plus, with 24/7 recording as an option, it doubles as a good security camera / wildlife…