Meaning of smart doorbell | Babel Free

Definitions

A doorbell equipped with a camera, microphone, motion sensor, etc. allowing the homeowner to see and communicate with the person at the door by means of a smartphone.

Examples

“There are, of course, smart speakers (which roughly a quarter of American homes have) and smart thermostats, as well as smart thermometers, smart mattress covers, smart coffee makers, smart doorbells, and even, yes, smart toasters.”

CEFR level