Easily communicate with your visitors and keep an eye on your home with the Netvue Belle AI WiFi Doorbell. Aside from regular WiFi doorbell functions, Belle features AI of facial recognition and voice interaction. The device also offers motion sensing and HD live streaming. Using voice interaction, you can give instructions to the postman or anyone else at the door.Additionally, Belle greets your visitors upon arrival and notifies you with important details. Belle also recognizes your frequent visitors using facial recognition and converses with them more personally. Likewise, you can use the app to log on throughout the day or night to see and hear in time. Belle also comes with infrared night vision so you can clearly see in the dark. Furthermore, Belle comes with a powerful camera that offers a 170-degree viewing angle. Finally, Belle is compatible with Amazon Alexa.