Satin Nickel Finish, Ring Video Doorbell, Battery Operated, Wi-Fi Enabled, HD Video Doorbell, Enables Homeowners To See & Speak With Visitors From Anywhere By Streaming Live Audio & Video Of A Home's Front Doorstep Directly To The Free IOS Or Android App, Built-In Motion Sensors Detect Movement Up To 30', HD Video Recording Stores All Recorded Footage To The Cloud Which Can Be Accessed Via The Ring App, Quick & Easy To Set Up, Mounts & Syncs In Minutes & Built In Battery, Can Also Be Powered Through Your Existing Doorbell Wires.