Introducing the Ring Video Doorbell Wired 2021, the perfect addition to any smart home security system. This modern, black video doorbell is made of durable aluminum and plastic materials and is weather resistant for outdoor use. With advanced motion detection and customizable motion zones, you can keep a close eye on your home and receive real-time notifications straight to your smartphone. The video doorbell has a 155° horizontal and 90° vertical field of view, allowing you to see everything that happens outside your door in crystal-clear 1080p HD video. You can also communicate with visitors through the two-way audio with noise cancellation, even when you're not at home. This video doorbell requires an existing doorbell system and is hardwired for power, with 10-24 VAC, 40VA max, 50/60Hz, or 24VDC, 0.5A, 12W power details. The Ring Video Doorbell Wired 2021 comes with everything you need for installation, including user manuals, installation tools, and a quick start guide.