Wireless video doorbell. Receive your visitors on your smartphone anytime and from anywhere, a perfect complement to the smart lock. Full HD live view, two-way audio, and night vision. With a built-in battery for flexible installation or powered through existing doorbell wiring. Motion, person, package, and vehicle detection for reliable notifications and recordings. Customizable zone detection and privacy masking. Crystal clear 1080p Full HD image. With the Yale Smart Video Doorbell, you can see, hear, and speak to visitors anytime and anywhere. The smart video doorbell offers a sharp 1080p Full HD image, a 154° field of view, two-way audio conversation, live view, and night vision for clear recordings that you can view around the clock in the Yale Home app. The Yale Video Doorbell is easy to set up and operate and is powered by a built-in battery or a wired solution. You will receive detailed real-time notifications when motion is detected and a call when visitors ring the doorbell—so you never miss a delivery or a guest again. As part of the Yale Smart Security ecosystem, you can check who is at your door with the Yale Home app, and when it's safe, unlock your door with your Yale Smart Lock to let the person in.