The 2nd-gen wired Nest Doorbell is always on, so you can know what's happening at your front door around the clock. Get intelligent alerts about people, packages, and animals, plus 3 hours of event video history - no subscription required. Add up to 10 days of continuous recording with Nest Aware Plus. And set up and manage your video doorbell easily using the Google Home app.The Nest Doorbell requires a free Google Account and is not compatible with the Nest app or the home.nest.com site.