Know if a person is at your door - The Nest Doorbell can tell the difference between people， animals， packages， and vehicles and alert you when someone's there

Check in anytime - Know what's happening at your door 24/7; Check your doorbell camera from anywhere using the Google Home app and get alerts about important activity， like a visitor or delivery

Go back in time - See what you missed with three hours of free event video history， using the Google Home app; The Nest Doorbell (battery) does not record 24/7 video history， even with the optional wired installation; Learn more about the differences between event video history and 24/7 video history at g.co/nest/video history

Designed for any door - The Nest Doorbell is wireless and battery-powered， which means it works with any door， whether you live in a house or an apartment

Install it yourself; Because it's a wireless doorbell， installation is painless; If you prefer wired installation， you can connect it to your existing doorbell wires with the included wire connector

Talk to who's there， from anywhere; Talk and listen to visitors at your door， even if you're away; Just use the Google Home app to say you'll be right there， or ask a delivery person to leave your package

Battery life will depend on factors including activity， temperature， and camera settings that you select; You can extend the battery life of your camera by adjusting video quality， length of video clips， time between recorded events， and using activity zones to monitor specific areas; Here are some typical scenarios; Busy: About one month battery life (About 25 - 30 recorded events per day) Typical: About two and a half months battery life (About 13 - 16 recorded events per day) Quiet: About six months battery life (about two - five recorded events per day)

Legal disclaimer: Some features， including mobile notifications， remote control， video streaming and video recording， require working internet and Wi-Fi