The Ring™ Video Doorbell lets you answer the door from anywhere in the world using your smartphone or tablet. It features a HD camera with night vision, providing a clear view from your front door, day and night. The Ring ™ Doorbell installs easily in minutes, with no professional help or additional tools required. A built-in rechargeable battery lets you install the doorbell anywhere, or connect it to existing doorbell wiring. Motion-triggered alerts sent via the free Ring ™ app (iOS® and Android ™) notify you of arriving guest and deliveries. Cloud recording ensures you’ll never miss nay activity at your home. With Ring you’re always Home.