The Ring Video Doorbell 3 features 1080p HD video and advanced capabilities, allowing you to see, hear, and talk to visitors from your phone, tablet, or PC. As an upgrade from the Ring Video Doorbell 2, it includes improved motion detection, privacy zones, audio privacy, and dual-band wifi (2.4 or 5.0 GHz). Get mobile alerts when someone presses the doorbell or activates the motion sensors. It runs on a rechargeable battery or can be wired for constant power. Setup is easy through the Ring app and included tools. With a Ring Protect Plan (sold separately), you can record, review, and share videos for up to 60 days. Alexa integration lets you receive announcements and interact with visitors via compatible Echo devices.