The Nest Doorbell is the battery-powered video doorbell that works with any home. See what’s happening at your door from anywhere and get intelligent alerts about important activity, like when there’s a person, package, animal, or vehicle.* And because there are no wires, you can install it yourself. Nest Doorbell requires the Google Home app and a Google Account – it’s not compatible with the Nest app or the home.nest.com site.