The 2nd-gen wired Nest Doorbell is always on, so you can know what’s happening at your front door around the clock.* Get built-in intelligent alerts about people, packages, and animals, and 3 hours of event video history. Add up to 10 days of continuous recording with Nest Aware Plus.** And manage your doorbell easily using the Google Home app.****Some features, including mobile notifications, remote control, video streaming, and video recording, require working internet and Wi-Fi. **Continuous video recording requires a Nest Aware Plus subscription. ***To learn more, visit g.co/nest/cam-mem.