Writer’s note: Amazon’s fall Prime Day event is scheduled for October 8th and 9th. If you want to shop ahead of time, we’ve already assembled a guide to the best early Prime Day deals, which includes several of the video doorbells featured below.

With a smart video doorbell, your front door’s communication skills go from 1980s landline to a modern smartphone. Combining a motion-activated camera with a microphone, speaker, and doorbell, a doorbell camera sends alerts to your phone to…