Pro-level features — Battery Doorbell Pro, Ring’s best battery-powered doorbell camera, loaded with cutting-edge features like 1536p Head-to-Toe HD+ Video & 3D Motion Detection with Bird’s Eye Zones and Bird’s Eye View. Head-to-Toe View — Head-to-Toe HD+ Video in 1536p gives you an expanded field of view so you can see more of who’s at your front door. 3D Motion Detection — Configure Bird’s Eye Zones up to 30′ away on an overhead map of your property to pinpoint movement only where it matters. Low-Light Sight — Our enhanced imaging sensors deliver clarity and clear color that doesn’t quit after the sun goes down—only on Battery Doorbell Pro. Person + Package Alerts — Know when a package is delivered with Package Alerts, an exclusive Ring Protect subscription feature (sold separately) that notifies you when your package is detected within a specified zone. Convenient Power — Powered by a Quick Release Battery Pack for quick and easy recharging. Works with Alexa — Connect with Alexa on compatible Echo devices to enable announcements and Two-Way Talk for convenient in-home monitoring.