Smart doorbells work in tandem with a smartphone or other smart device, so you can see who's knocking at your door and avoid answering to unexpected visitors. In addition to video, smart doorbells also offer a variety of other handy features to keep your home protected, including two-way talk, infrared lighting for when it's dark out and motion detection. There are plenty of smart doorbells to choose from, so if you need some help finding the right one for your home, keep reading this article to see our top picks on smart doorbells and never be a victim of ding-dong ditching again.