Easy, wire-free installation. Just connect your battery-powered Video Doorbell (2nd Gen) to wifi in the Ring app and mount it to the wall using the included tools. Powered by the built-in rechargeable battery or connect it to your existing doorbell wires for constant power. Receive instant notifications when anyone presses your doorbell or when motion is detected. Answer the door from wherever you are with Two-Way Talk, or if you're busy, save time and use Quick Replies to respond with a pre-selected message. Wireless Video Doorbell with 1080p HD video, crisper Night Vision and features that let you see, hear, and speak to anyone from your phone or tablet.