With the Ring Video Doorbell Pro 2, you'll always know who's at the door or around your home. This smart doorbell will send real time notifications to your phone when someone rings or even appears in the field of view. Its built-in camera records in high-definition 1536p video resolution, day and night. The wide angle view means you'll see the delivery man's face as well as where they leave your parcel. The Ring Video Doorbell Pro 2 allows you to see the live stream from the camera at all times from your phone, even when you're not at home. It also comes with an integrated noise-cancelling mic and a speaker, so you can talk to your visitors wherever you are. Add a whole new level to your home security with the 3D Motion Detection technology. Whenever a person is detected, the system measures their motion speed, distance and trajectory, giving you super-precise notifications. It also adds a bird's eye view using satellite data to the recordings of security breach. You'll know from where they arrived and where they went. Add more Ring cameras to your home security system for a more comprehensive protection. This model is powered using the attached plug-in adapter. Simply plug it in the mains power socket and you're set._______________Please note: Alexa Greetings and Quick Replies are not currently available yet in the UK and Europe.