A "connected doorbell" refers to a doorbell that can connect to the internet or other devices, allowing you to receive notifications and interact with it remotely using a smartphone or another device. Full definition
It looks similar to the first - generation device, being a wireless, connected doorbell with a 160 - degree field of view and 180 - degree motion detection angle. (pocket-lint.com)
First, the current roster of connected doorbells is huge. (cnet.com)
DoorBot's connected doorbell finds a home (gigaom.com)