'Crisp video, excellent subject detection, and no hidden fees' — the 3 best subscription-free video doorbells, recommended by a smart home tech editor

A video doorbell is one of the best and easiest ways to increase your home security. Not only do they let you see who's calling, speak to them remotely, and choose whether or not to open the door, they also serve as a security camera for the front of your property, detecting and recording unexpected movement and sending you alerts.

Some of the latest models can even identify the person or object that has triggered the recording, whether it's a person, animal, car, or package, and send you notifications accordingly. You can also set privacy zones, so you won't be alerted to what's happening on the street or your neighbor's yard.

The downside is that many video doorbells only give you very basic features unless you also sign up to a membership plan, with monthly or annual payments. These ...