Nest Hello is now the Nest Doorbell (wired); no matter which name is on the box, youll find the same great product inside The wired Nest Doorbell requires the Nest app; its not compatible with the Google Home app Always know whos at the door with the wired Nest Doorbell; get an alert when someone approaches and talk to visitors at your door from anywhere[1] With person alerts, this video doorbell can tell the difference between a person and a thing and alert you even if they dont ring the bell[1] The HDR video with night vision delivers bright, crisp images on the doorbell camera; the 4:3 ratio helps you see whats at your doorstep, like people from head to toe and packages on the ground With HD Talk and Listen, you can have a conversation with visitors or use prerecorded messages when you cant respond Easily check in from anywhere with 24/7 streaming and continuous video recording; go back and view a 3-hour snapshot history to see what you missed